Home / 2,707.23-4,060.49-858.53

Finding the Fourth Proportional to 2,707.23, 4,060.49 and 858.53

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Solution

The fourth proportional to 2,707.23, 4,060.49 and 858.53 is: 1,287.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.23 : 4,060.49 = 858.53 : x
  2. Step 2: Convert to fraction form
    2,707.23/4,060.49 = 858.53/x
  3. Step 3: Cross multiply
    2,707.23x = 4,060.49 × 858.53
  4. Step 4: Simplify right side
    2,707.23x = 3,486,048.19
  5. Step 5: Solve for x
    x = 3,486,048.19/2,707.23
  6. Step 6: Final answer
    x = 1,287.68

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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.