Home / 2,849.04-3,931.53-2,102.73

Finding the Fourth Proportional to 2,849.04, 3,931.53 and 2,102.73

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Solution

The fourth proportional to 2,849.04, 3,931.53 and 2,102.73 is: 2,901.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.04 : 3,931.53 = 2,102.73 : x
  2. Step 2: Convert to fraction form
    2,849.04/3,931.53 = 2,102.73/x
  3. Step 3: Cross multiply
    2,849.04x = 3,931.53 × 2,102.73
  4. Step 4: Simplify right side
    2,849.04x = 8,266,946.08
  5. Step 5: Solve for x
    x = 8,266,946.08/2,849.04
  6. Step 6: Final answer
    x = 2,901.66

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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.