Home / 1,795.90-2,478.12-999.02

Finding the Fourth Proportional to 1,795.90, 2,478.12 and 999.02

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Solution

The fourth proportional to 1,795.90, 2,478.12 and 999.02 is: 1,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.90 : 2,478.12 = 999.02 : x
  2. Step 2: Convert to fraction form
    1,795.90/2,478.12 = 999.02/x
  3. Step 3: Cross multiply
    1,795.90x = 2,478.12 × 999.02
  4. Step 4: Simplify right side
    1,795.90x = 2,475,691.44
  5. Step 5: Solve for x
    x = 2,475,691.44/1,795.90
  6. Step 6: Final answer
    x = 1,378.52

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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.