Home / 3,445.20-5,165.29-1,364.13

Finding the Fourth Proportional to 3,445.20, 5,165.29 and 1,364.13

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Solution

The fourth proportional to 3,445.20, 5,165.29 and 1,364.13 is: 2,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.20 : 5,165.29 = 1,364.13 : x
  2. Step 2: Convert to fraction form
    3,445.20/5,165.29 = 1,364.13/x
  3. Step 3: Cross multiply
    3,445.20x = 5,165.29 × 1,364.13
  4. Step 4: Simplify right side
    3,445.20x = 7,046,127.05
  5. Step 5: Solve for x
    x = 7,046,127.05/3,445.20
  6. Step 6: Final answer
    x = 2,045.20

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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.