Home / 3,726.13-5,580.68-1,779.70

Finding the Fourth Proportional to 3,726.13, 5,580.68 and 1,779.70

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Solution

The fourth proportional to 3,726.13, 5,580.68 and 1,779.70 is: 2,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.13 : 5,580.68 = 1,779.70 : x
  2. Step 2: Convert to fraction form
    3,726.13/5,580.68 = 1,779.70/x
  3. Step 3: Cross multiply
    3,726.13x = 5,580.68 × 1,779.70
  4. Step 4: Simplify right side
    3,726.13x = 9,931,936.20
  5. Step 5: Solve for x
    x = 9,931,936.20/3,726.13
  6. Step 6: Final answer
    x = 2,665.48

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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.