Home / 3,904.80-5,858.28-1,565.70

Finding the Fourth Proportional to 3,904.80, 5,858.28 and 1,565.70

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Solution

The fourth proportional to 3,904.80, 5,858.28 and 1,565.70 is: 2,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.80 : 5,858.28 = 1,565.70 : x
  2. Step 2: Convert to fraction form
    3,904.80/5,858.28 = 1,565.70/x
  3. Step 3: Cross multiply
    3,904.80x = 5,858.28 × 1,565.70
  4. Step 4: Simplify right side
    3,904.80x = 9,172,309.00
  5. Step 5: Solve for x
    x = 9,172,309.00/3,904.80
  6. Step 6: Final answer
    x = 2,348.98

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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.