Home / 2,385.11-3,291.44-1,337.18

Finding the Fourth Proportional to 2,385.11, 3,291.44 and 1,337.18

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Solution

The fourth proportional to 2,385.11, 3,291.44 and 1,337.18 is: 1,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.11 : 3,291.44 = 1,337.18 : x
  2. Step 2: Convert to fraction form
    2,385.11/3,291.44 = 1,337.18/x
  3. Step 3: Cross multiply
    2,385.11x = 3,291.44 × 1,337.18
  4. Step 4: Simplify right side
    2,385.11x = 4,401,224.60
  5. Step 5: Solve for x
    x = 4,401,224.60/2,385.11
  6. Step 6: Final answer
    x = 1,845.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.