Home / 2,818.11-3,888.85-1,541.96

Finding the Fourth Proportional to 2,818.11, 3,888.85 and 1,541.96

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Solution

The fourth proportional to 2,818.11, 3,888.85 and 1,541.96 is: 2,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.11 : 3,888.85 = 1,541.96 : x
  2. Step 2: Convert to fraction form
    2,818.11/3,888.85 = 1,541.96/x
  3. Step 3: Cross multiply
    2,818.11x = 3,888.85 × 1,541.96
  4. Step 4: Simplify right side
    2,818.11x = 5,996,461.23
  5. Step 5: Solve for x
    x = 5,996,461.23/2,818.11
  6. Step 6: Final answer
    x = 2,127.83

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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.