Home / 2,230.20-3,345.50-586.72

Finding the Fourth Proportional to 2,230.20, 3,345.50 and 586.72

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Solution

The fourth proportional to 2,230.20, 3,345.50 and 586.72 is: 880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.20 : 3,345.50 = 586.72 : x
  2. Step 2: Convert to fraction form
    2,230.20/3,345.50 = 586.72/x
  3. Step 3: Cross multiply
    2,230.20x = 3,345.50 × 586.72
  4. Step 4: Simplify right side
    2,230.20x = 1,962,871.76
  5. Step 5: Solve for x
    x = 1,962,871.76/2,230.20
  6. Step 6: Final answer
    x = 880.13

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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.