Home / 1,557.47-2,336.27-632.55

Finding the Fourth Proportional to 1,557.47, 2,336.27 and 632.55

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Solution

The fourth proportional to 1,557.47, 2,336.27 and 632.55 is: 948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.47 : 2,336.27 = 632.55 : x
  2. Step 2: Convert to fraction form
    1,557.47/2,336.27 = 632.55/x
  3. Step 3: Cross multiply
    1,557.47x = 2,336.27 × 632.55
  4. Step 4: Simplify right side
    1,557.47x = 1,477,807.59
  5. Step 5: Solve for x
    x = 1,477,807.59/1,557.47
  6. Step 6: Final answer
    x = 948.85

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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.