Home / 2,865.33-4,294.85-1,478.77

Finding the Fourth Proportional to 2,865.33, 4,294.85 and 1,478.77

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Solution

The fourth proportional to 2,865.33, 4,294.85 and 1,478.77 is: 2,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.33 : 4,294.85 = 1,478.77 : x
  2. Step 2: Convert to fraction form
    2,865.33/4,294.85 = 1,478.77/x
  3. Step 3: Cross multiply
    2,865.33x = 4,294.85 × 1,478.77
  4. Step 4: Simplify right side
    2,865.33x = 6,351,073.86
  5. Step 5: Solve for x
    x = 6,351,073.86/2,865.33
  6. Step 6: Final answer
    x = 2,216.52

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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.