Home / 2,849.06-3,931.60-1,670.11

Finding the Fourth Proportional to 2,849.06, 3,931.60 and 1,670.11

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Solution

The fourth proportional to 2,849.06, 3,931.60 and 1,670.11 is: 2,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.06 : 3,931.60 = 1,670.11 : x
  2. Step 2: Convert to fraction form
    2,849.06/3,931.60 = 1,670.11/x
  3. Step 3: Cross multiply
    2,849.06x = 3,931.60 × 1,670.11
  4. Step 4: Simplify right side
    2,849.06x = 6,566,204.48
  5. Step 5: Solve for x
    x = 6,566,204.48/2,849.06
  6. Step 6: Final answer
    x = 2,304.69

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1.5x scale

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.