Home / 1,555.14-2,332.31-733.20

Finding the Fourth Proportional to 1,555.14, 2,332.31 and 733.20

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Solution

The fourth proportional to 1,555.14, 2,332.31 and 733.20 is: 1,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.14 : 2,332.31 = 733.20 : x
  2. Step 2: Convert to fraction form
    1,555.14/2,332.31 = 733.20/x
  3. Step 3: Cross multiply
    1,555.14x = 2,332.31 × 733.20
  4. Step 4: Simplify right side
    1,555.14x = 1,710,034.36
  5. Step 5: Solve for x
    x = 1,710,034.36/1,555.14
  6. Step 6: Final answer
    x = 1,099.60

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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.