Home / 1,774.76-2,449.96-1,103.18

Finding the Fourth Proportional to 1,774.76, 2,449.96 and 1,103.18

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Solution

The fourth proportional to 1,774.76, 2,449.96 and 1,103.18 is: 1,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.76 : 2,449.96 = 1,103.18 : x
  2. Step 2: Convert to fraction form
    1,774.76/2,449.96 = 1,103.18/x
  3. Step 3: Cross multiply
    1,774.76x = 2,449.96 × 1,103.18
  4. Step 4: Simplify right side
    1,774.76x = 2,702,746.87
  5. Step 5: Solve for x
    x = 2,702,746.87/1,774.76
  6. Step 6: Final answer
    x = 1,522.88

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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.