Home / 1,832.80-2,749.18-535.18

Finding the Fourth Proportional to 1,832.80, 2,749.18 and 535.18

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Solution

The fourth proportional to 1,832.80, 2,749.18 and 535.18 is: 802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.80 : 2,749.18 = 535.18 : x
  2. Step 2: Convert to fraction form
    1,832.80/2,749.18 = 535.18/x
  3. Step 3: Cross multiply
    1,832.80x = 2,749.18 × 535.18
  4. Step 4: Simplify right side
    1,832.80x = 1,471,306.15
  5. Step 5: Solve for x
    x = 1,471,306.15/1,832.80
  6. Step 6: Final answer
    x = 802.76

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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.