Home / 3,158.13-4,358.21-1,760.88

Finding the Fourth Proportional to 3,158.13, 4,358.21 and 1,760.88

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Solution

The fourth proportional to 3,158.13, 4,358.21 and 1,760.88 is: 2,430.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.13 : 4,358.21 = 1,760.88 : x
  2. Step 2: Convert to fraction form
    3,158.13/4,358.21 = 1,760.88/x
  3. Step 3: Cross multiply
    3,158.13x = 4,358.21 × 1,760.88
  4. Step 4: Simplify right side
    3,158.13x = 7,674,284.82
  5. Step 5: Solve for x
    x = 7,674,284.82/3,158.13
  6. Step 6: Final answer
    x = 2,430.01

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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.