Home / 1,549.68-2,141.63-1,269.47

Finding the Fourth Proportional to 1,549.68, 2,141.63 and 1,269.47

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Solution

The fourth proportional to 1,549.68, 2,141.63 and 1,269.47 is: 1,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.68 : 2,141.63 = 1,269.47 : x
  2. Step 2: Convert to fraction form
    1,549.68/2,141.63 = 1,269.47/x
  3. Step 3: Cross multiply
    1,549.68x = 2,141.63 × 1,269.47
  4. Step 4: Simplify right side
    1,549.68x = 2,718,735.04
  5. Step 5: Solve for x
    x = 2,718,735.04/1,549.68
  6. Step 6: Final answer
    x = 1,754.38

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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.