Home / 3,405.90-4,700.18-2,061.49

Finding the Fourth Proportional to 3,405.90, 4,700.18 and 2,061.49

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Solution

The fourth proportional to 3,405.90, 4,700.18 and 2,061.49 is: 2,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.90 : 4,700.18 = 2,061.49 : x
  2. Step 2: Convert to fraction form
    3,405.90/4,700.18 = 2,061.49/x
  3. Step 3: Cross multiply
    3,405.90x = 4,700.18 × 2,061.49
  4. Step 4: Simplify right side
    3,405.90x = 9,689,385.10
  5. Step 5: Solve for x
    x = 9,689,385.10/3,405.90
  6. Step 6: Final answer
    x = 2,844.88

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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.