Home / 2,981.13-4,114.72-2,037.31

Finding the Fourth Proportional to 2,981.13, 4,114.72 and 2,037.31

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Solution

The fourth proportional to 2,981.13, 4,114.72 and 2,037.31 is: 2,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.13 : 4,114.72 = 2,037.31 : x
  2. Step 2: Convert to fraction form
    2,981.13/4,114.72 = 2,037.31/x
  3. Step 3: Cross multiply
    2,981.13x = 4,114.72 × 2,037.31
  4. Step 4: Simplify right side
    2,981.13x = 8,382,929.44
  5. Step 5: Solve for x
    x = 8,382,929.44/2,981.13
  6. Step 6: Final answer
    x = 2,812.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.