Home / 3,008.64-4,152.56-2,015.58

Finding the Fourth Proportional to 3,008.64, 4,152.56 and 2,015.58

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Solution

The fourth proportional to 3,008.64, 4,152.56 and 2,015.58 is: 2,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.64 : 4,152.56 = 2,015.58 : x
  2. Step 2: Convert to fraction form
    3,008.64/4,152.56 = 2,015.58/x
  3. Step 3: Cross multiply
    3,008.64x = 4,152.56 × 2,015.58
  4. Step 4: Simplify right side
    3,008.64x = 8,369,816.88
  5. Step 5: Solve for x
    x = 8,369,816.88/3,008.64
  6. Step 6: Final answer
    x = 2,781.93

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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.