Home / 1,555.52-2,330.96-1,227.24

Finding the Fourth Proportional to 1,555.52, 2,330.96 and 1,227.24

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Solution

The fourth proportional to 1,555.52, 2,330.96 and 1,227.24 is: 1,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.52 : 2,330.96 = 1,227.24 : x
  2. Step 2: Convert to fraction form
    1,555.52/2,330.96 = 1,227.24/x
  3. Step 3: Cross multiply
    1,555.52x = 2,330.96 × 1,227.24
  4. Step 4: Simplify right side
    1,555.52x = 2,860,641.21
  5. Step 5: Solve for x
    x = 2,860,641.21/1,555.52
  6. Step 6: Final answer
    x = 1,839.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.