Home / 1,824.55-2,517.89-1,038.65

Finding the Fourth Proportional to 1,824.55, 2,517.89 and 1,038.65

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Solution

The fourth proportional to 1,824.55, 2,517.89 and 1,038.65 is: 1,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.55 : 2,517.89 = 1,038.65 : x
  2. Step 2: Convert to fraction form
    1,824.55/2,517.89 = 1,038.65/x
  3. Step 3: Cross multiply
    1,824.55x = 2,517.89 × 1,038.65
  4. Step 4: Simplify right side
    1,824.55x = 2,615,192.56
  5. Step 5: Solve for x
    x = 2,615,192.56/1,824.55
  6. Step 6: Final answer
    x = 1,433.34

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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.