Home / 2,459.12-3,393.62-1,340.08

Finding the Fourth Proportional to 2,459.12, 3,393.62 and 1,340.08

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Solution

The fourth proportional to 2,459.12, 3,393.62 and 1,340.08 is: 1,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.12 : 3,393.62 = 1,340.08 : x
  2. Step 2: Convert to fraction form
    2,459.12/3,393.62 = 1,340.08/x
  3. Step 3: Cross multiply
    2,459.12x = 3,393.62 × 1,340.08
  4. Step 4: Simplify right side
    2,459.12x = 4,547,722.29
  5. Step 5: Solve for x
    x = 4,547,722.29/2,459.12
  6. Step 6: Final answer
    x = 1,849.33

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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.