Home / 2,648.01-3,971.98-1,539.12

Finding the Fourth Proportional to 2,648.01, 3,971.98 and 1,539.12

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Solution

The fourth proportional to 2,648.01, 3,971.98 and 1,539.12 is: 2,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.01 : 3,971.98 = 1,539.12 : x
  2. Step 2: Convert to fraction form
    2,648.01/3,971.98 = 1,539.12/x
  3. Step 3: Cross multiply
    2,648.01x = 3,971.98 × 1,539.12
  4. Step 4: Simplify right side
    2,648.01x = 6,113,353.86
  5. Step 5: Solve for x
    x = 6,113,353.86/2,648.01
  6. Step 6: Final answer
    x = 2,308.66

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1.5x scale

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.