Home / 4,048.40-5,586.90-2,279.90

Finding the Fourth Proportional to 4,048.40, 5,586.90 and 2,279.90

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Solution

The fourth proportional to 4,048.40, 5,586.90 and 2,279.90 is: 3,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.40 : 5,586.90 = 2,279.90 : x
  2. Step 2: Convert to fraction form
    4,048.40/5,586.90 = 2,279.90/x
  3. Step 3: Cross multiply
    4,048.40x = 5,586.90 × 2,279.90
  4. Step 4: Simplify right side
    4,048.40x = 12,737,573.31
  5. Step 5: Solve for x
    x = 12,737,573.31/4,048.40
  6. Step 6: Final answer
    x = 3,146.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.