Home / 2,557.66-3,838.12-1,097.24

Finding the Fourth Proportional to 2,557.66, 3,838.12 and 1,097.24

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Solution

The fourth proportional to 2,557.66, 3,838.12 and 1,097.24 is: 1,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.66 : 3,838.12 = 1,097.24 : x
  2. Step 2: Convert to fraction form
    2,557.66/3,838.12 = 1,097.24/x
  3. Step 3: Cross multiply
    2,557.66x = 3,838.12 × 1,097.24
  4. Step 4: Simplify right side
    2,557.66x = 4,211,338.79
  5. Step 5: Solve for x
    x = 4,211,338.79/2,557.66
  6. Step 6: Final answer
    x = 1,646.56

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1.5x scale

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.