Home / 4,339.92-5,990.44-2,478.16

Finding the Fourth Proportional to 4,339.92, 5,990.44 and 2,478.16

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Solution

The fourth proportional to 4,339.92, 5,990.44 and 2,478.16 is: 3,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.92 : 5,990.44 = 2,478.16 : x
  2. Step 2: Convert to fraction form
    4,339.92/5,990.44 = 2,478.16/x
  3. Step 3: Cross multiply
    4,339.92x = 5,990.44 × 2,478.16
  4. Step 4: Simplify right side
    4,339.92x = 14,845,268.79
  5. Step 5: Solve for x
    x = 14,845,268.79/4,339.92
  6. Step 6: Final answer
    x = 3,420.63

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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.