Home / 2,722.90-4,078.95-1,567.30

Finding the Fourth Proportional to 2,722.90, 4,078.95 and 1,567.30

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Solution

The fourth proportional to 2,722.90, 4,078.95 and 1,567.30 is: 2,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.90 : 4,078.95 = 1,567.30 : x
  2. Step 2: Convert to fraction form
    2,722.90/4,078.95 = 1,567.30/x
  3. Step 3: Cross multiply
    2,722.90x = 4,078.95 × 1,567.30
  4. Step 4: Simplify right side
    2,722.90x = 6,392,938.34
  5. Step 5: Solve for x
    x = 6,392,938.34/2,722.90
  6. Step 6: Final answer
    x = 2,347.84

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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.