Home / 3,136.38-4,328.20-1,739.13

Finding the Fourth Proportional to 3,136.38, 4,328.20 and 1,739.13

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Solution

The fourth proportional to 3,136.38, 4,328.20 and 1,739.13 is: 2,400.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.38 : 4,328.20 = 1,739.13 : x
  2. Step 2: Convert to fraction form
    3,136.38/4,328.20 = 1,739.13/x
  3. Step 3: Cross multiply
    3,136.38x = 4,328.20 × 1,739.13
  4. Step 4: Simplify right side
    3,136.38x = 7,527,302.47
  5. Step 5: Solve for x
    x = 7,527,302.47/3,136.38
  6. Step 6: Final answer
    x = 2,400.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.