Home / 2,873.90-3,965.85-1,756.71

Finding the Fourth Proportional to 2,873.90, 3,965.85 and 1,756.71

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Solution

The fourth proportional to 2,873.90, 3,965.85 and 1,756.71 is: 2,424.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.90 : 3,965.85 = 1,756.71 : x
  2. Step 2: Convert to fraction form
    2,873.90/3,965.85 = 1,756.71/x
  3. Step 3: Cross multiply
    2,873.90x = 3,965.85 × 1,756.71
  4. Step 4: Simplify right side
    2,873.90x = 6,966,848.35
  5. Step 5: Solve for x
    x = 6,966,848.35/2,873.90
  6. Step 6: Final answer
    x = 2,424.18

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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.