Home / 1,350.16-2,034.90-1,274.80

Finding the Fourth Proportional to 1,350.16, 2,034.90 and 1,274.80

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Solution

The fourth proportional to 1,350.16, 2,034.90 and 1,274.80 is: 1,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.16 : 2,034.90 = 1,274.80 : x
  2. Step 2: Convert to fraction form
    1,350.16/2,034.90 = 1,274.80/x
  3. Step 3: Cross multiply
    1,350.16x = 2,034.90 × 1,274.80
  4. Step 4: Simplify right side
    1,350.16x = 2,594,090.52
  5. Step 5: Solve for x
    x = 2,594,090.52/1,350.16
  6. Step 6: Final answer
    x = 1,921.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.