Home / 2,815.59-4,232.51-2,612.69

Finding the Fourth Proportional to 2,815.59, 4,232.51 and 2,612.69

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Solution

The fourth proportional to 2,815.59, 4,232.51 and 2,612.69 is: 3,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.59 : 4,232.51 = 2,612.69 : x
  2. Step 2: Convert to fraction form
    2,815.59/4,232.51 = 2,612.69/x
  3. Step 3: Cross multiply
    2,815.59x = 4,232.51 × 2,612.69
  4. Step 4: Simplify right side
    2,815.59x = 11,058,228.00
  5. Step 5: Solve for x
    x = 11,058,228.00/2,815.59
  6. Step 6: Final answer
    x = 3,927.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.