Home / 2,298.65-3,449.40-1,203.80

Finding the Fourth Proportional to 2,298.65, 3,449.40 and 1,203.80

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Solution

The fourth proportional to 2,298.65, 3,449.40 and 1,203.80 is: 1,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.65 : 3,449.40 = 1,203.80 : x
  2. Step 2: Convert to fraction form
    2,298.65/3,449.40 = 1,203.80/x
  3. Step 3: Cross multiply
    2,298.65x = 3,449.40 × 1,203.80
  4. Step 4: Simplify right side
    2,298.65x = 4,152,387.72
  5. Step 5: Solve for x
    x = 4,152,387.72/2,298.65
  6. Step 6: Final answer
    x = 1,806.45

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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.