Home / 4,220.59-6,330.90-2,488

Finding the Fourth Proportional to 4,220.59, 6,330.90 and 2,488

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Solution

The fourth proportional to 4,220.59, 6,330.90 and 2,488 is: 3,732.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.59 : 6,330.90 = 2,488 : x
  2. Step 2: Convert to fraction form
    4,220.59/6,330.90 = 2,488/x
  3. Step 3: Cross multiply
    4,220.59x = 6,330.90 × 2,488
  4. Step 4: Simplify right side
    4,220.59x = 15,751,279.20
  5. Step 5: Solve for x
    x = 15,751,279.20/4,220.59
  6. Step 6: Final answer
    x = 3,732.01

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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.