Home / 3,461.28-5,184.72-2,347.20

Finding the Fourth Proportional to 3,461.28, 5,184.72 and 2,347.20

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Solution

The fourth proportional to 3,461.28, 5,184.72 and 2,347.20 is: 3,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.28 : 5,184.72 = 2,347.20 : x
  2. Step 2: Convert to fraction form
    3,461.28/5,184.72 = 2,347.20/x
  3. Step 3: Cross multiply
    3,461.28x = 5,184.72 × 2,347.20
  4. Step 4: Simplify right side
    3,461.28x = 12,169,574.78
  5. Step 5: Solve for x
    x = 12,169,574.78/3,461.28
  6. Step 6: Final answer
    x = 3,515.92

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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.