Home / 3,815.59-5,726.31-1,707.86

Finding the Fourth Proportional to 3,815.59, 5,726.31 and 1,707.86

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Solution

The fourth proportional to 3,815.59, 5,726.31 and 1,707.86 is: 2,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.59 : 5,726.31 = 1,707.86 : x
  2. Step 2: Convert to fraction form
    3,815.59/5,726.31 = 1,707.86/x
  3. Step 3: Cross multiply
    3,815.59x = 5,726.31 × 1,707.86
  4. Step 4: Simplify right side
    3,815.59x = 9,779,727.26
  5. Step 5: Solve for x
    x = 9,779,727.26/3,815.59
  6. Step 6: Final answer
    x = 2,563.10

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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.