Home / 1,507.60-2,261.25-533.65

Finding the Fourth Proportional to 1,507.60, 2,261.25 and 533.65

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Solution

The fourth proportional to 1,507.60, 2,261.25 and 533.65 is: 800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.60 : 2,261.25 = 533.65 : x
  2. Step 2: Convert to fraction form
    1,507.60/2,261.25 = 533.65/x
  3. Step 3: Cross multiply
    1,507.60x = 2,261.25 × 533.65
  4. Step 4: Simplify right side
    1,507.60x = 1,206,716.06
  5. Step 5: Solve for x
    x = 1,206,716.06/1,507.60
  6. Step 6: Final answer
    x = 800.42

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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.