Home / 2,931.35-4,391.85-1,541.39

Finding the Fourth Proportional to 2,931.35, 4,391.85 and 1,541.39

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Solution

The fourth proportional to 2,931.35, 4,391.85 and 1,541.39 is: 2,309.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.35 : 4,391.85 = 1,541.39 : x
  2. Step 2: Convert to fraction form
    2,931.35/4,391.85 = 1,541.39/x
  3. Step 3: Cross multiply
    2,931.35x = 4,391.85 × 1,541.39
  4. Step 4: Simplify right side
    2,931.35x = 6,769,531.71
  5. Step 5: Solve for x
    x = 6,769,531.71/2,931.35
  6. Step 6: Final answer
    x = 2,309.36

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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.