Home / 2,824.29-3,898.85-1,881.65

Finding the Fourth Proportional to 2,824.29, 3,898.85 and 1,881.65

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Solution

The fourth proportional to 2,824.29, 3,898.85 and 1,881.65 is: 2,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.29 : 3,898.85 = 1,881.65 : x
  2. Step 2: Convert to fraction form
    2,824.29/3,898.85 = 1,881.65/x
  3. Step 3: Cross multiply
    2,824.29x = 3,898.85 × 1,881.65
  4. Step 4: Simplify right side
    2,824.29x = 7,336,271.10
  5. Step 5: Solve for x
    x = 7,336,271.10/2,824.29
  6. Step 6: Final answer
    x = 2,597.56

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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.