Home / 2,769.95-4,157.74-1,384.28

Finding the Fourth Proportional to 2,769.95, 4,157.74 and 1,384.28

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Solution

The fourth proportional to 2,769.95, 4,157.74 and 1,384.28 is: 2,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.95 : 4,157.74 = 1,384.28 : x
  2. Step 2: Convert to fraction form
    2,769.95/4,157.74 = 1,384.28/x
  3. Step 3: Cross multiply
    2,769.95x = 4,157.74 × 1,384.28
  4. Step 4: Simplify right side
    2,769.95x = 5,755,452.08
  5. Step 5: Solve for x
    x = 5,755,452.08/2,769.95
  6. Step 6: Final answer
    x = 2,077.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.