Home / 3,417.47-5,120.45-2,259.71

Finding the Fourth Proportional to 3,417.47, 5,120.45 and 2,259.71

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Solution

The fourth proportional to 3,417.47, 5,120.45 and 2,259.71 is: 3,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.47 : 5,120.45 = 2,259.71 : x
  2. Step 2: Convert to fraction form
    3,417.47/5,120.45 = 2,259.71/x
  3. Step 3: Cross multiply
    3,417.47x = 5,120.45 × 2,259.71
  4. Step 4: Simplify right side
    3,417.47x = 11,570,720.77
  5. Step 5: Solve for x
    x = 11,570,720.77/3,417.47
  6. Step 6: Final answer
    x = 3,385.76

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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.