Home / 4,035.20-5,574.24-3,115.52

Finding the Fourth Proportional to 4,035.20, 5,574.24 and 3,115.52

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Solution

The fourth proportional to 4,035.20, 5,574.24 and 3,115.52 is: 4,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,035.20 : 5,574.24 = 3,115.52 : x
  2. Step 2: Convert to fraction form
    4,035.20/5,574.24 = 3,115.52/x
  3. Step 3: Cross multiply
    4,035.20x = 5,574.24 × 3,115.52
  4. Step 4: Simplify right side
    4,035.20x = 17,366,656.20
  5. Step 5: Solve for x
    x = 17,366,656.20/4,035.20
  6. Step 6: Final answer
    x = 4,303.79

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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.