Home / 2,461.12-3,397.76-1,962.16

Finding the Fourth Proportional to 2,461.12, 3,397.76 and 1,962.16

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Solution

The fourth proportional to 2,461.12, 3,397.76 and 1,962.16 is: 2,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.12 : 3,397.76 = 1,962.16 : x
  2. Step 2: Convert to fraction form
    2,461.12/3,397.76 = 1,962.16/x
  3. Step 3: Cross multiply
    2,461.12x = 3,397.76 × 1,962.16
  4. Step 4: Simplify right side
    2,461.12x = 6,666,948.76
  5. Step 5: Solve for x
    x = 6,666,948.76/2,461.12
  6. Step 6: Final answer
    x = 2,708.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.