Home / 3,434.32-5,151.48-1,126

Finding the Fourth Proportional to 3,434.32, 5,151.48 and 1,126

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Solution

The fourth proportional to 3,434.32, 5,151.48 and 1,126 is: 1,689.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.32 : 5,151.48 = 1,126 : x
  2. Step 2: Convert to fraction form
    3,434.32/5,151.48 = 1,126/x
  3. Step 3: Cross multiply
    3,434.32x = 5,151.48 × 1,126
  4. Step 4: Simplify right side
    3,434.32x = 5,800,566.48
  5. Step 5: Solve for x
    x = 5,800,566.48/3,434.32
  6. Step 6: Final answer
    x = 1,689.00

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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.