Home / 1,623.60-2,240.52-925.04

Finding the Fourth Proportional to 1,623.60, 2,240.52 and 925.04

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Solution

The fourth proportional to 1,623.60, 2,240.52 and 925.04 is: 1,276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.60 : 2,240.52 = 925.04 : x
  2. Step 2: Convert to fraction form
    1,623.60/2,240.52 = 925.04/x
  3. Step 3: Cross multiply
    1,623.60x = 2,240.52 × 925.04
  4. Step 4: Simplify right side
    1,623.60x = 2,072,570.62
  5. Step 5: Solve for x
    x = 2,072,570.62/1,623.60
  6. Step 6: Final answer
    x = 1,276.53

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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.