Home / 3,612.45-5,417.99-1,761.70

Finding the Fourth Proportional to 3,612.45, 5,417.99 and 1,761.70

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Solution

The fourth proportional to 3,612.45, 5,417.99 and 1,761.70 is: 2,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.45 : 5,417.99 = 1,761.70 : x
  2. Step 2: Convert to fraction form
    3,612.45/5,417.99 = 1,761.70/x
  3. Step 3: Cross multiply
    3,612.45x = 5,417.99 × 1,761.70
  4. Step 4: Simplify right side
    3,612.45x = 9,544,867.39
  5. Step 5: Solve for x
    x = 9,544,867.39/3,612.45
  6. Step 6: Final answer
    x = 2,642.22

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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.