Home / 2,958.86-4,415.08-2,648.57

Finding the Fourth Proportional to 2,958.86, 4,415.08 and 2,648.57

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Solution

The fourth proportional to 2,958.86, 4,415.08 and 2,648.57 is: 3,952.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.86 : 4,415.08 = 2,648.57 : x
  2. Step 2: Convert to fraction form
    2,958.86/4,415.08 = 2,648.57/x
  3. Step 3: Cross multiply
    2,958.86x = 4,415.08 × 2,648.57
  4. Step 4: Simplify right side
    2,958.86x = 11,693,648.44
  5. Step 5: Solve for x
    x = 11,693,648.44/2,958.86
  6. Step 6: Final answer
    x = 3,952.08

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1.5x scale

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.