Home / 2,849.04-3,931.07-1,669.86

Finding the Fourth Proportional to 2,849.04, 3,931.07 and 1,669.86

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Solution

The fourth proportional to 2,849.04, 3,931.07 and 1,669.86 is: 2,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.04 : 3,931.07 = 1,669.86 : x
  2. Step 2: Convert to fraction form
    2,849.04/3,931.07 = 1,669.86/x
  3. Step 3: Cross multiply
    2,849.04x = 3,931.07 × 1,669.86
  4. Step 4: Simplify right side
    2,849.04x = 6,564,328.20
  5. Step 5: Solve for x
    x = 6,564,328.20/2,849.04
  6. Step 6: Final answer
    x = 2,304.05

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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.