Home / 3,118.98-4,689.29-2,507.00

Finding the Fourth Proportional to 3,118.98, 4,689.29 and 2,507.00

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Solution

The fourth proportional to 3,118.98, 4,689.29 and 2,507.00 is: 3,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.98 : 4,689.29 = 2,507.00 : x
  2. Step 2: Convert to fraction form
    3,118.98/4,689.29 = 2,507.00/x
  3. Step 3: Cross multiply
    3,118.98x = 4,689.29 × 2,507.00
  4. Step 4: Simplify right side
    3,118.98x = 11,756,059.23
  5. Step 5: Solve for x
    x = 11,756,059.23/3,118.98
  6. Step 6: Final answer
    x = 3,769.20

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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.