Home / 3,671.90-5,508.45-1,206.17

Finding the Fourth Proportional to 3,671.90, 5,508.45 and 1,206.17

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Solution

The fourth proportional to 3,671.90, 5,508.45 and 1,206.17 is: 1,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.90 : 5,508.45 = 1,206.17 : x
  2. Step 2: Convert to fraction form
    3,671.90/5,508.45 = 1,206.17/x
  3. Step 3: Cross multiply
    3,671.90x = 5,508.45 × 1,206.17
  4. Step 4: Simplify right side
    3,671.90x = 6,644,127.14
  5. Step 5: Solve for x
    x = 6,644,127.14/3,671.90
  6. Step 6: Final answer
    x = 1,809.45

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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.