Home / 2,927.17-4,035.43-1,981.46

Finding the Fourth Proportional to 2,927.17, 4,035.43 and 1,981.46

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Solution

The fourth proportional to 2,927.17, 4,035.43 and 1,981.46 is: 2,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.17 : 4,035.43 = 1,981.46 : x
  2. Step 2: Convert to fraction form
    2,927.17/4,035.43 = 1,981.46/x
  3. Step 3: Cross multiply
    2,927.17x = 4,035.43 × 1,981.46
  4. Step 4: Simplify right side
    2,927.17x = 7,996,043.13
  5. Step 5: Solve for x
    x = 7,996,043.13/2,927.17
  6. Step 6: Final answer
    x = 2,731.66

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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.