Home / 3,013.48-4,158.18-1,687.08

Finding the Fourth Proportional to 3,013.48, 4,158.18 and 1,687.08

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Solution

The fourth proportional to 3,013.48, 4,158.18 and 1,687.08 is: 2,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.48 : 4,158.18 = 1,687.08 : x
  2. Step 2: Convert to fraction form
    3,013.48/4,158.18 = 1,687.08/x
  3. Step 3: Cross multiply
    3,013.48x = 4,158.18 × 1,687.08
  4. Step 4: Simplify right side
    3,013.48x = 7,015,182.31
  5. Step 5: Solve for x
    x = 7,015,182.31/3,013.48
  6. Step 6: Final answer
    x = 2,327.93

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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.