Home / 1,774.88-2,449.30-1,112.10

Finding the Fourth Proportional to 1,774.88, 2,449.30 and 1,112.10

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Solution

The fourth proportional to 1,774.88, 2,449.30 and 1,112.10 is: 1,534.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.88 : 2,449.30 = 1,112.10 : x
  2. Step 2: Convert to fraction form
    1,774.88/2,449.30 = 1,112.10/x
  3. Step 3: Cross multiply
    1,774.88x = 2,449.30 × 1,112.10
  4. Step 4: Simplify right side
    1,774.88x = 2,723,866.53
  5. Step 5: Solve for x
    x = 2,723,866.53/1,774.88
  6. Step 6: Final answer
    x = 1,534.68

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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.