Home / 2,042.10-2,818.60-1,158.44

Finding the Fourth Proportional to 2,042.10, 2,818.60 and 1,158.44

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Solution

The fourth proportional to 2,042.10, 2,818.60 and 1,158.44 is: 1,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.10 : 2,818.60 = 1,158.44 : x
  2. Step 2: Convert to fraction form
    2,042.10/2,818.60 = 1,158.44/x
  3. Step 3: Cross multiply
    2,042.10x = 2,818.60 × 1,158.44
  4. Step 4: Simplify right side
    2,042.10x = 3,265,178.98
  5. Step 5: Solve for x
    x = 3,265,178.98/2,042.10
  6. Step 6: Final answer
    x = 1,598.93

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1.5x scale

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.