Home / 1,957.18-2,934.85-1,135.71

Finding the Fourth Proportional to 1,957.18, 2,934.85 and 1,135.71

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Solution

The fourth proportional to 1,957.18, 2,934.85 and 1,135.71 is: 1,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.18 : 2,934.85 = 1,135.71 : x
  2. Step 2: Convert to fraction form
    1,957.18/2,934.85 = 1,135.71/x
  3. Step 3: Cross multiply
    1,957.18x = 2,934.85 × 1,135.71
  4. Step 4: Simplify right side
    1,957.18x = 3,333,138.49
  5. Step 5: Solve for x
    x = 3,333,138.49/1,957.18
  6. Step 6: Final answer
    x = 1,703.03

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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.