Home / 3,417.26-5,125.90-2,318.90

Finding the Fourth Proportional to 3,417.26, 5,125.90 and 2,318.90

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Solution

The fourth proportional to 3,417.26, 5,125.90 and 2,318.90 is: 3,478.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.26 : 5,125.90 = 2,318.90 : x
  2. Step 2: Convert to fraction form
    3,417.26/5,125.90 = 2,318.90/x
  3. Step 3: Cross multiply
    3,417.26x = 5,125.90 × 2,318.90
  4. Step 4: Simplify right side
    3,417.26x = 11,886,449.51
  5. Step 5: Solve for x
    x = 11,886,449.51/3,417.26
  6. Step 6: Final answer
    x = 3,478.36

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1.5x scale

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.