Home / 2,440.80-3,367.08-1,880.16

Finding the Fourth Proportional to 2,440.80, 3,367.08 and 1,880.16

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Solution

The fourth proportional to 2,440.80, 3,367.08 and 1,880.16 is: 2,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.80 : 3,367.08 = 1,880.16 : x
  2. Step 2: Convert to fraction form
    2,440.80/3,367.08 = 1,880.16/x
  3. Step 3: Cross multiply
    2,440.80x = 3,367.08 × 1,880.16
  4. Step 4: Simplify right side
    2,440.80x = 6,330,649.13
  5. Step 5: Solve for x
    x = 6,330,649.13/2,440.80
  6. Step 6: Final answer
    x = 2,593.68

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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.