Home / 3,158.18-4,358.29-1,760.98

Finding the Fourth Proportional to 3,158.18, 4,358.29 and 1,760.98

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Solution

The fourth proportional to 3,158.18, 4,358.29 and 1,760.98 is: 2,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.18 : 4,358.29 = 1,760.98 : x
  2. Step 2: Convert to fraction form
    3,158.18/4,358.29 = 1,760.98/x
  3. Step 3: Cross multiply
    3,158.18x = 4,358.29 × 1,760.98
  4. Step 4: Simplify right side
    3,158.18x = 7,674,861.52
  5. Step 5: Solve for x
    x = 7,674,861.52/3,158.18
  6. Step 6: Final answer
    x = 2,430.15

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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.