Home / 2,530.10-3,490.31-1,966.71

Finding the Fourth Proportional to 2,530.10, 3,490.31 and 1,966.71

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Solution

The fourth proportional to 2,530.10, 3,490.31 and 1,966.71 is: 2,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.10 : 3,490.31 = 1,966.71 : x
  2. Step 2: Convert to fraction form
    2,530.10/3,490.31 = 1,966.71/x
  3. Step 3: Cross multiply
    2,530.10x = 3,490.31 × 1,966.71
  4. Step 4: Simplify right side
    2,530.10x = 6,864,417.75
  5. Step 5: Solve for x
    x = 6,864,417.75/2,530.10
  6. Step 6: Final answer
    x = 2,713.11

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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.