Home / 3,710.15-5,567.28-1,520.42

Finding the Fourth Proportional to 3,710.15, 5,567.28 and 1,520.42

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Solution

The fourth proportional to 3,710.15, 5,567.28 and 1,520.42 is: 2,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.15 : 5,567.28 = 1,520.42 : x
  2. Step 2: Convert to fraction form
    3,710.15/5,567.28 = 1,520.42/x
  3. Step 3: Cross multiply
    3,710.15x = 5,567.28 × 1,520.42
  4. Step 4: Simplify right side
    3,710.15x = 8,464,603.86
  5. Step 5: Solve for x
    x = 8,464,603.86/3,710.15
  6. Step 6: Final answer
    x = 2,281.47

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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.