Home / 1,865.32-2,570.97-1,274.83

Finding the Fourth Proportional to 1,865.32, 2,570.97 and 1,274.83

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Solution

The fourth proportional to 1,865.32, 2,570.97 and 1,274.83 is: 1,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.32 : 2,570.97 = 1,274.83 : x
  2. Step 2: Convert to fraction form
    1,865.32/2,570.97 = 1,274.83/x
  3. Step 3: Cross multiply
    1,865.32x = 2,570.97 × 1,274.83
  4. Step 4: Simplify right side
    1,865.32x = 3,277,549.69
  5. Step 5: Solve for x
    x = 3,277,549.69/1,865.32
  6. Step 6: Final answer
    x = 1,757.10

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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.