Home / 4,138.08-5,710.40-2,275.04

Finding the Fourth Proportional to 4,138.08, 5,710.40 and 2,275.04

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Solution

The fourth proportional to 4,138.08, 5,710.40 and 2,275.04 is: 3,139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.08 : 5,710.40 = 2,275.04 : x
  2. Step 2: Convert to fraction form
    4,138.08/5,710.40 = 2,275.04/x
  3. Step 3: Cross multiply
    4,138.08x = 5,710.40 × 2,275.04
  4. Step 4: Simplify right side
    4,138.08x = 12,991,388.42
  5. Step 5: Solve for x
    x = 12,991,388.42/4,138.08
  6. Step 6: Final answer
    x = 3,139.47

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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.