Home / 3,159.54-4,358.16-2,213.91

Finding the Fourth Proportional to 3,159.54, 4,358.16 and 2,213.91

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Solution

The fourth proportional to 3,159.54, 4,358.16 and 2,213.91 is: 3,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.54 : 4,358.16 = 2,213.91 : x
  2. Step 2: Convert to fraction form
    3,159.54/4,358.16 = 2,213.91/x
  3. Step 3: Cross multiply
    3,159.54x = 4,358.16 × 2,213.91
  4. Step 4: Simplify right side
    3,159.54x = 9,648,574.01
  5. Step 5: Solve for x
    x = 9,648,574.01/3,159.54
  6. Step 6: Final answer
    x = 3,053.79

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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.