Home / 3,454.10-5,178.06-1,505.24

Finding the Fourth Proportional to 3,454.10, 5,178.06 and 1,505.24

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Solution

The fourth proportional to 3,454.10, 5,178.06 and 1,505.24 is: 2,256.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.10 : 5,178.06 = 1,505.24 : x
  2. Step 2: Convert to fraction form
    3,454.10/5,178.06 = 1,505.24/x
  3. Step 3: Cross multiply
    3,454.10x = 5,178.06 × 1,505.24
  4. Step 4: Simplify right side
    3,454.10x = 7,794,223.03
  5. Step 5: Solve for x
    x = 7,794,223.03/3,454.10
  6. Step 6: Final answer
    x = 2,256.51

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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.