Home / 2,666.57-3,679.88-1,471.60

Finding the Fourth Proportional to 2,666.57, 3,679.88 and 1,471.60

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Solution

The fourth proportional to 2,666.57, 3,679.88 and 1,471.60 is: 2,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.57 : 3,679.88 = 1,471.60 : x
  2. Step 2: Convert to fraction form
    2,666.57/3,679.88 = 1,471.60/x
  3. Step 3: Cross multiply
    2,666.57x = 3,679.88 × 1,471.60
  4. Step 4: Simplify right side
    2,666.57x = 5,415,311.41
  5. Step 5: Solve for x
    x = 5,415,311.41/2,666.57
  6. Step 6: Final answer
    x = 2,030.82

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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.