Home / 1,775.34-2,449.44-1,113.15

Finding the Fourth Proportional to 1,775.34, 2,449.44 and 1,113.15

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Solution

The fourth proportional to 1,775.34, 2,449.44 and 1,113.15 is: 1,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.34 : 2,449.44 = 1,113.15 : x
  2. Step 2: Convert to fraction form
    1,775.34/2,449.44 = 1,113.15/x
  3. Step 3: Cross multiply
    1,775.34x = 2,449.44 × 1,113.15
  4. Step 4: Simplify right side
    1,775.34x = 2,726,594.14
  5. Step 5: Solve for x
    x = 2,726,594.14/1,775.34
  6. Step 6: Final answer
    x = 1,535.82

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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.