Home / 3,434.10-5,151.51-1,353.81

Finding the Fourth Proportional to 3,434.10, 5,151.51 and 1,353.81

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Solution

The fourth proportional to 3,434.10, 5,151.51 and 1,353.81 is: 2,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.10 : 5,151.51 = 1,353.81 : x
  2. Step 2: Convert to fraction form
    3,434.10/5,151.51 = 1,353.81/x
  3. Step 3: Cross multiply
    3,434.10x = 5,151.51 × 1,353.81
  4. Step 4: Simplify right side
    3,434.10x = 6,974,165.75
  5. Step 5: Solve for x
    x = 6,974,165.75/3,434.10
  6. Step 6: Final answer
    x = 2,030.86

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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.