Home / 1,451.32-2,177.28-526.70

Finding the Fourth Proportional to 1,451.32, 2,177.28 and 526.70

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Solution

The fourth proportional to 1,451.32, 2,177.28 and 526.70 is: 790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.32 : 2,177.28 = 526.70 : x
  2. Step 2: Convert to fraction form
    1,451.32/2,177.28 = 526.70/x
  3. Step 3: Cross multiply
    1,451.32x = 2,177.28 × 526.70
  4. Step 4: Simplify right side
    1,451.32x = 1,146,778.82
  5. Step 5: Solve for x
    x = 1,146,778.82/1,451.32
  6. Step 6: Final answer
    x = 790.16

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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.