Home / 2,263.28-3,123.34-1,319.62

Finding the Fourth Proportional to 2,263.28, 3,123.34 and 1,319.62

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Solution

The fourth proportional to 2,263.28, 3,123.34 and 1,319.62 is: 1,821.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.28 : 3,123.34 = 1,319.62 : x
  2. Step 2: Convert to fraction form
    2,263.28/3,123.34 = 1,319.62/x
  3. Step 3: Cross multiply
    2,263.28x = 3,123.34 × 1,319.62
  4. Step 4: Simplify right side
    2,263.28x = 4,121,621.93
  5. Step 5: Solve for x
    x = 4,121,621.93/2,263.28
  6. Step 6: Final answer
    x = 1,821.08

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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.