Home / 2,461.13-3,689.87-1,487.00

Finding the Fourth Proportional to 2,461.13, 3,689.87 and 1,487.00

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Solution

The fourth proportional to 2,461.13, 3,689.87 and 1,487.00 is: 2,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.13 : 3,689.87 = 1,487.00 : x
  2. Step 2: Convert to fraction form
    2,461.13/3,689.87 = 1,487.00/x
  3. Step 3: Cross multiply
    2,461.13x = 3,689.87 × 1,487.00
  4. Step 4: Simplify right side
    2,461.13x = 5,486,846.84
  5. Step 5: Solve for x
    x = 5,486,846.84/2,461.13
  6. Step 6: Final answer
    x = 2,229.40

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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.