Home / 3,710.55-5,565.81-1,113.48

Finding the Fourth Proportional to 3,710.55, 5,565.81 and 1,113.48

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Solution

The fourth proportional to 3,710.55, 5,565.81 and 1,113.48 is: 1,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.55 : 5,565.81 = 1,113.48 : x
  2. Step 2: Convert to fraction form
    3,710.55/5,565.81 = 1,113.48/x
  3. Step 3: Cross multiply
    3,710.55x = 5,565.81 × 1,113.48
  4. Step 4: Simplify right side
    3,710.55x = 6,197,418.12
  5. Step 5: Solve for x
    x = 6,197,418.12/3,710.55
  6. Step 6: Final answer
    x = 1,670.22

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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.