Home / 2,332.20-3,497.10-870.60

Finding the Fourth Proportional to 2,332.20, 3,497.10 and 870.60

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Solution

The fourth proportional to 2,332.20, 3,497.10 and 870.60 is: 1,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.20 : 3,497.10 = 870.60 : x
  2. Step 2: Convert to fraction form
    2,332.20/3,497.10 = 870.60/x
  3. Step 3: Cross multiply
    2,332.20x = 3,497.10 × 870.60
  4. Step 4: Simplify right side
    2,332.20x = 3,044,575.26
  5. Step 5: Solve for x
    x = 3,044,575.26/2,332.20
  6. Step 6: Final answer
    x = 1,305.45

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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.