Home / 1,623.42-2,240.37-924.75

Finding the Fourth Proportional to 1,623.42, 2,240.37 and 924.75

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Solution

The fourth proportional to 1,623.42, 2,240.37 and 924.75 is: 1,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.42 : 2,240.37 = 924.75 : x
  2. Step 2: Convert to fraction form
    1,623.42/2,240.37 = 924.75/x
  3. Step 3: Cross multiply
    1,623.42x = 2,240.37 × 924.75
  4. Step 4: Simplify right side
    1,623.42x = 2,071,782.16
  5. Step 5: Solve for x
    x = 2,071,782.16/1,623.42
  6. Step 6: Final answer
    x = 1,276.18

Related Problems

Find fourth proportional to 811.71, 1,120.19 and 462.38
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.