Home / 2,838.83-3,913.32-2,240.30

Finding the Fourth Proportional to 2,838.83, 3,913.32 and 2,240.30

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Solution

The fourth proportional to 2,838.83, 3,913.32 and 2,240.30 is: 3,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.83 : 3,913.32 = 2,240.30 : x
  2. Step 2: Convert to fraction form
    2,838.83/3,913.32 = 2,240.30/x
  3. Step 3: Cross multiply
    2,838.83x = 3,913.32 × 2,240.30
  4. Step 4: Simplify right side
    2,838.83x = 8,766,991.23
  5. Step 5: Solve for x
    x = 8,766,991.23/2,838.83
  6. Step 6: Final answer
    x = 3,088.24

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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.