Home / 2,925.88-4,389.02-1,445.87

Finding the Fourth Proportional to 2,925.88, 4,389.02 and 1,445.87

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Solution

The fourth proportional to 2,925.88, 4,389.02 and 1,445.87 is: 2,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.88 : 4,389.02 = 1,445.87 : x
  2. Step 2: Convert to fraction form
    2,925.88/4,389.02 = 1,445.87/x
  3. Step 3: Cross multiply
    2,925.88x = 4,389.02 × 1,445.87
  4. Step 4: Simplify right side
    2,925.88x = 6,345,945.12
  5. Step 5: Solve for x
    x = 6,345,945.12/2,925.88
  6. Step 6: Final answer
    x = 2,168.91

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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.