Home / 2,886.60-4,330.98-2,580.42

Finding the Fourth Proportional to 2,886.60, 4,330.98 and 2,580.42

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Solution

The fourth proportional to 2,886.60, 4,330.98 and 2,580.42 is: 3,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.60 : 4,330.98 = 2,580.42 : x
  2. Step 2: Convert to fraction form
    2,886.60/4,330.98 = 2,580.42/x
  3. Step 3: Cross multiply
    2,886.60x = 4,330.98 × 2,580.42
  4. Step 4: Simplify right side
    2,886.60x = 11,175,747.41
  5. Step 5: Solve for x
    x = 11,175,747.41/2,886.60
  6. Step 6: Final answer
    x = 3,871.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.