Home / 2,278.03-3,407.94-1,973.20

Finding the Fourth Proportional to 2,278.03, 3,407.94 and 1,973.20

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Solution

The fourth proportional to 2,278.03, 3,407.94 and 1,973.20 is: 2,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.03 : 3,407.94 = 1,973.20 : x
  2. Step 2: Convert to fraction form
    2,278.03/3,407.94 = 1,973.20/x
  3. Step 3: Cross multiply
    2,278.03x = 3,407.94 × 1,973.20
  4. Step 4: Simplify right side
    2,278.03x = 6,724,547.21
  5. Step 5: Solve for x
    x = 6,724,547.21/2,278.03
  6. Step 6: Final answer
    x = 2,951.91

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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.