Home / 3,013.51-4,158.17-1,687.27

Finding the Fourth Proportional to 3,013.51, 4,158.17 and 1,687.27

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Solution

The fourth proportional to 3,013.51, 4,158.17 and 1,687.27 is: 2,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.51 : 4,158.17 = 1,687.27 : x
  2. Step 2: Convert to fraction form
    3,013.51/4,158.17 = 1,687.27/x
  3. Step 3: Cross multiply
    3,013.51x = 4,158.17 × 1,687.27
  4. Step 4: Simplify right side
    3,013.51x = 7,015,947.06
  5. Step 5: Solve for x
    x = 7,015,947.06/3,013.51
  6. Step 6: Final answer
    x = 2,328.16

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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.