Home / 1,184.20-1,776.30-534.79

Finding the Fourth Proportional to 1,184.20, 1,776.30 and 534.79

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Solution

The fourth proportional to 1,184.20, 1,776.30 and 534.79 is: 802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.20 : 1,776.30 = 534.79 : x
  2. Step 2: Convert to fraction form
    1,184.20/1,776.30 = 534.79/x
  3. Step 3: Cross multiply
    1,184.20x = 1,776.30 × 534.79
  4. Step 4: Simplify right side
    1,184.20x = 949,938.60
  5. Step 5: Solve for x
    x = 949,938.60/1,184.20
  6. Step 6: Final answer
    x = 802.18

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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.