Home / 3,332.73-4,999.10-1,386.30

Finding the Fourth Proportional to 3,332.73, 4,999.10 and 1,386.30

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Solution

The fourth proportional to 3,332.73, 4,999.10 and 1,386.30 is: 2,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.73 : 4,999.10 = 1,386.30 : x
  2. Step 2: Convert to fraction form
    3,332.73/4,999.10 = 1,386.30/x
  3. Step 3: Cross multiply
    3,332.73x = 4,999.10 × 1,386.30
  4. Step 4: Simplify right side
    3,332.73x = 6,930,245.40
  5. Step 5: Solve for x
    x = 6,930,245.40/3,332.73
  6. Step 6: Final answer
    x = 2,079.45

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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.