Home / 2,478.24-3,403.08-2,216.16

Finding the Fourth Proportional to 2,478.24, 3,403.08 and 2,216.16

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Solution

The fourth proportional to 2,478.24, 3,403.08 and 2,216.16 is: 3,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.24 : 3,403.08 = 2,216.16 : x
  2. Step 2: Convert to fraction form
    2,478.24/3,403.08 = 2,216.16/x
  3. Step 3: Cross multiply
    2,478.24x = 3,403.08 × 2,216.16
  4. Step 4: Simplify right side
    2,478.24x = 7,541,769.77
  5. Step 5: Solve for x
    x = 7,541,769.77/2,478.24
  6. Step 6: Final answer
    x = 3,043.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.