Home / 1,526.25-2,107.65-1,227.54

Finding the Fourth Proportional to 1,526.25, 2,107.65 and 1,227.54

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Solution

The fourth proportional to 1,526.25, 2,107.65 and 1,227.54 is: 1,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.25 : 2,107.65 = 1,227.54 : x
  2. Step 2: Convert to fraction form
    1,526.25/2,107.65 = 1,227.54/x
  3. Step 3: Cross multiply
    1,526.25x = 2,107.65 × 1,227.54
  4. Step 4: Simplify right side
    1,526.25x = 2,587,224.68
  5. Step 5: Solve for x
    x = 2,587,224.68/1,526.25
  6. Step 6: Final answer
    x = 1,695.15

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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.