Home / 3,483.30-5,221.29-1,142.70

Finding the Fourth Proportional to 3,483.30, 5,221.29 and 1,142.70

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Solution

The fourth proportional to 3,483.30, 5,221.29 and 1,142.70 is: 1,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.30 : 5,221.29 = 1,142.70 : x
  2. Step 2: Convert to fraction form
    3,483.30/5,221.29 = 1,142.70/x
  3. Step 3: Cross multiply
    3,483.30x = 5,221.29 × 1,142.70
  4. Step 4: Simplify right side
    3,483.30x = 5,966,368.08
  5. Step 5: Solve for x
    x = 5,966,368.08/3,483.30
  6. Step 6: Final answer
    x = 1,712.85

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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.