Home / 1,686.03-2,517.28-1,454.67

Finding the Fourth Proportional to 1,686.03, 2,517.28 and 1,454.67

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Solution

The fourth proportional to 1,686.03, 2,517.28 and 1,454.67 is: 2,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686.03 : 2,517.28 = 1,454.67 : x
  2. Step 2: Convert to fraction form
    1,686.03/2,517.28 = 1,454.67/x
  3. Step 3: Cross multiply
    1,686.03x = 2,517.28 × 1,454.67
  4. Step 4: Simplify right side
    1,686.03x = 3,661,808.06
  5. Step 5: Solve for x
    x = 3,661,808.06/1,686.03
  6. Step 6: Final answer
    x = 2,171.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.