Home / 2,171.19-3,257.13-710.01

Finding the Fourth Proportional to 2,171.19, 3,257.13 and 710.01

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Solution

The fourth proportional to 2,171.19, 3,257.13 and 710.01 is: 1,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.19 : 3,257.13 = 710.01 : x
  2. Step 2: Convert to fraction form
    2,171.19/3,257.13 = 710.01/x
  3. Step 3: Cross multiply
    2,171.19x = 3,257.13 × 710.01
  4. Step 4: Simplify right side
    2,171.19x = 2,312,594.87
  5. Step 5: Solve for x
    x = 2,312,594.87/2,171.19
  6. Step 6: Final answer
    x = 1,065.13

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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.