Home / 2,574.85-3,553.93-1,691.85

Finding the Fourth Proportional to 2,574.85, 3,553.93 and 1,691.85

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Solution

The fourth proportional to 2,574.85, 3,553.93 and 1,691.85 is: 2,335.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.85 : 3,553.93 = 1,691.85 : x
  2. Step 2: Convert to fraction form
    2,574.85/3,553.93 = 1,691.85/x
  3. Step 3: Cross multiply
    2,574.85x = 3,553.93 × 1,691.85
  4. Step 4: Simplify right side
    2,574.85x = 6,012,690.24
  5. Step 5: Solve for x
    x = 6,012,690.24/2,574.85
  6. Step 6: Final answer
    x = 2,335.17

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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.