Home / 1,975.49-2,726.32-1,136.39

Finding the Fourth Proportional to 1,975.49, 2,726.32 and 1,136.39

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Solution

The fourth proportional to 1,975.49, 2,726.32 and 1,136.39 is: 1,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.49 : 2,726.32 = 1,136.39 : x
  2. Step 2: Convert to fraction form
    1,975.49/2,726.32 = 1,136.39/x
  3. Step 3: Cross multiply
    1,975.49x = 2,726.32 × 1,136.39
  4. Step 4: Simplify right side
    1,975.49x = 3,098,166.76
  5. Step 5: Solve for x
    x = 3,098,166.76/1,975.49
  6. Step 6: Final answer
    x = 1,568.31

Related Problems

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Half scale
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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.