Home / 3,010.04-4,515.24-818.72

Finding the Fourth Proportional to 3,010.04, 4,515.24 and 818.72

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Solution

The fourth proportional to 3,010.04, 4,515.24 and 818.72 is: 1,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.04 : 4,515.24 = 818.72 : x
  2. Step 2: Convert to fraction form
    3,010.04/4,515.24 = 818.72/x
  3. Step 3: Cross multiply
    3,010.04x = 4,515.24 × 818.72
  4. Step 4: Simplify right side
    3,010.04x = 3,696,717.29
  5. Step 5: Solve for x
    x = 3,696,717.29/3,010.04
  6. Step 6: Final answer
    x = 1,228.13

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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.