Home / 2,293.65-3,165.12-1,298.79

Finding the Fourth Proportional to 2,293.65, 3,165.12 and 1,298.79

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Solution

The fourth proportional to 2,293.65, 3,165.12 and 1,298.79 is: 1,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.65 : 3,165.12 = 1,298.79 : x
  2. Step 2: Convert to fraction form
    2,293.65/3,165.12 = 1,298.79/x
  3. Step 3: Cross multiply
    2,293.65x = 3,165.12 × 1,298.79
  4. Step 4: Simplify right side
    2,293.65x = 4,110,826.20
  5. Step 5: Solve for x
    x = 4,110,826.20/2,293.65
  6. Step 6: Final answer
    x = 1,792.26

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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.