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Finding the Fourth Proportional to 3,667.04, 5,060.51 and 1,988.51

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Solution

The fourth proportional to 3,667.04, 5,060.51 and 1,988.51 is: 2,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667.04 : 5,060.51 = 1,988.51 : x
  2. Step 2: Convert to fraction form
    3,667.04/5,060.51 = 1,988.51/x
  3. Step 3: Cross multiply
    3,667.04x = 5,060.51 × 1,988.51
  4. Step 4: Simplify right side
    3,667.04x = 10,062,849.44
  5. Step 5: Solve for x
    x = 10,062,849.44/3,667.04
  6. Step 6: Final answer
    x = 2,744.13

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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.