Home / 3,013.83-4,159.32-1,687.59

Finding the Fourth Proportional to 3,013.83, 4,159.32 and 1,687.59

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Solution

The fourth proportional to 3,013.83, 4,159.32 and 1,687.59 is: 2,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.83 : 4,159.32 = 1,687.59 : x
  2. Step 2: Convert to fraction form
    3,013.83/4,159.32 = 1,687.59/x
  3. Step 3: Cross multiply
    3,013.83x = 4,159.32 × 1,687.59
  4. Step 4: Simplify right side
    3,013.83x = 7,019,226.84
  5. Step 5: Solve for x
    x = 7,019,226.84/3,013.83
  6. Step 6: Final answer
    x = 2,329.01

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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.