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Finding the Fourth Proportional to 2,602.28, 3,591.78 and 1,719.56

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Solution

The fourth proportional to 2,602.28, 3,591.78 and 1,719.56 is: 2,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.28 : 3,591.78 = 1,719.56 : x
  2. Step 2: Convert to fraction form
    2,602.28/3,591.78 = 1,719.56/x
  3. Step 3: Cross multiply
    2,602.28x = 3,591.78 × 1,719.56
  4. Step 4: Simplify right side
    2,602.28x = 6,176,281.22
  5. Step 5: Solve for x
    x = 6,176,281.22/2,602.28
  6. Step 6: Final answer
    x = 2,373.41

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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.