Home / 2,679.18-3,702.35-2,014.88

Finding the Fourth Proportional to 2,679.18, 3,702.35 and 2,014.88

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Solution

The fourth proportional to 2,679.18, 3,702.35 and 2,014.88 is: 2,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.18 : 3,702.35 = 2,014.88 : x
  2. Step 2: Convert to fraction form
    2,679.18/3,702.35 = 2,014.88/x
  3. Step 3: Cross multiply
    2,679.18x = 3,702.35 × 2,014.88
  4. Step 4: Simplify right side
    2,679.18x = 7,459,772.46
  5. Step 5: Solve for x
    x = 7,459,772.46/2,679.18
  6. Step 6: Final answer
    x = 2,784.35

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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.