Home / 3,498.26-5,247.30-1,417.70

Finding the Fourth Proportional to 3,498.26, 5,247.30 and 1,417.70

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Solution

The fourth proportional to 3,498.26, 5,247.30 and 1,417.70 is: 2,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.26 : 5,247.30 = 1,417.70 : x
  2. Step 2: Convert to fraction form
    3,498.26/5,247.30 = 1,417.70/x
  3. Step 3: Cross multiply
    3,498.26x = 5,247.30 × 1,417.70
  4. Step 4: Simplify right side
    3,498.26x = 7,439,090.12
  5. Step 5: Solve for x
    x = 7,439,090.12/3,498.26
  6. Step 6: Final answer
    x = 2,126.51

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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.