Home / 2,916.60-4,373.76-1,272.02

Finding the Fourth Proportional to 2,916.60, 4,373.76 and 1,272.02

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Solution

The fourth proportional to 2,916.60, 4,373.76 and 1,272.02 is: 1,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.60 : 4,373.76 = 1,272.02 : x
  2. Step 2: Convert to fraction form
    2,916.60/4,373.76 = 1,272.02/x
  3. Step 3: Cross multiply
    2,916.60x = 4,373.76 × 1,272.02
  4. Step 4: Simplify right side
    2,916.60x = 5,563,521.13
  5. Step 5: Solve for x
    x = 5,563,521.13/2,916.60
  6. Step 6: Final answer
    x = 1,907.54

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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.