Home / 1,975.24-2,726.21-1,136.51

Finding the Fourth Proportional to 1,975.24, 2,726.21 and 1,136.51

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Solution

The fourth proportional to 1,975.24, 2,726.21 and 1,136.51 is: 1,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.24 : 2,726.21 = 1,136.51 : x
  2. Step 2: Convert to fraction form
    1,975.24/2,726.21 = 1,136.51/x
  3. Step 3: Cross multiply
    1,975.24x = 2,726.21 × 1,136.51
  4. Step 4: Simplify right side
    1,975.24x = 3,098,345.61
  5. Step 5: Solve for x
    x = 3,098,345.61/1,975.24
  6. Step 6: Final answer
    x = 1,568.60

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Double scale
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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.