Home / 3,440.10-5,159.68-975.13

Finding the Fourth Proportional to 3,440.10, 5,159.68 and 975.13

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Solution

The fourth proportional to 3,440.10, 5,159.68 and 975.13 is: 1,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.10 : 5,159.68 = 975.13 : x
  2. Step 2: Convert to fraction form
    3,440.10/5,159.68 = 975.13/x
  3. Step 3: Cross multiply
    3,440.10x = 5,159.68 × 975.13
  4. Step 4: Simplify right side
    3,440.10x = 5,031,358.76
  5. Step 5: Solve for x
    x = 5,031,358.76/3,440.10
  6. Step 6: Final answer
    x = 1,462.56

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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.