Home / 2,916.32-4,372.02-1,271.66

Finding the Fourth Proportional to 2,916.32, 4,372.02 and 1,271.66

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Solution

The fourth proportional to 2,916.32, 4,372.02 and 1,271.66 is: 1,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.32 : 4,372.02 = 1,271.66 : x
  2. Step 2: Convert to fraction form
    2,916.32/4,372.02 = 1,271.66/x
  3. Step 3: Cross multiply
    2,916.32x = 4,372.02 × 1,271.66
  4. Step 4: Simplify right side
    2,916.32x = 5,559,722.95
  5. Step 5: Solve for x
    x = 5,559,722.95/2,916.32
  6. Step 6: Final answer
    x = 1,906.42

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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.