Home / 1,449.12-2,174.28-583.56

Finding the Fourth Proportional to 1,449.12, 2,174.28 and 583.56

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Solution

The fourth proportional to 1,449.12, 2,174.28 and 583.56 is: 875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.12 : 2,174.28 = 583.56 : x
  2. Step 2: Convert to fraction form
    1,449.12/2,174.28 = 583.56/x
  3. Step 3: Cross multiply
    1,449.12x = 2,174.28 × 583.56
  4. Step 4: Simplify right side
    1,449.12x = 1,268,822.84
  5. Step 5: Solve for x
    x = 1,268,822.84/1,449.12
  6. Step 6: Final answer
    x = 875.58

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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.