Home / 2,416.80-3,334.88-1,532.64

Finding the Fourth Proportional to 2,416.80, 3,334.88 and 1,532.64

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Solution

The fourth proportional to 2,416.80, 3,334.88 and 1,532.64 is: 2,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.80 : 3,334.88 = 1,532.64 : x
  2. Step 2: Convert to fraction form
    2,416.80/3,334.88 = 1,532.64/x
  3. Step 3: Cross multiply
    2,416.80x = 3,334.88 × 1,532.64
  4. Step 4: Simplify right side
    2,416.80x = 5,111,170.48
  5. Step 5: Solve for x
    x = 5,111,170.48/2,416.80
  6. Step 6: Final answer
    x = 2,114.85

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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.