Home / 1,507.48-2,261.20-533.44

Finding the Fourth Proportional to 1,507.48, 2,261.20 and 533.44

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Solution

The fourth proportional to 1,507.48, 2,261.20 and 533.44 is: 800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.48 : 2,261.20 = 533.44 : x
  2. Step 2: Convert to fraction form
    1,507.48/2,261.20 = 533.44/x
  3. Step 3: Cross multiply
    1,507.48x = 2,261.20 × 533.44
  4. Step 4: Simplify right side
    1,507.48x = 1,206,214.53
  5. Step 5: Solve for x
    x = 1,206,214.53/1,507.48
  6. Step 6: Final answer
    x = 800.15

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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.