Home / 1,924.40-2,655.62-1,085.10

Finding the Fourth Proportional to 1,924.40, 2,655.62 and 1,085.10

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Solution

The fourth proportional to 1,924.40, 2,655.62 and 1,085.10 is: 1,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.40 : 2,655.62 = 1,085.10 : x
  2. Step 2: Convert to fraction form
    1,924.40/2,655.62 = 1,085.10/x
  3. Step 3: Cross multiply
    1,924.40x = 2,655.62 × 1,085.10
  4. Step 4: Simplify right side
    1,924.40x = 2,881,601.95
  5. Step 5: Solve for x
    x = 2,881,601.95/1,924.40
  6. Step 6: Final answer
    x = 1,497.40

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Double scale
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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.