Home / 2,237.66-3,088.84-1,679.74

Finding the Fourth Proportional to 2,237.66, 3,088.84 and 1,679.74

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Solution

The fourth proportional to 2,237.66, 3,088.84 and 1,679.74 is: 2,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.66 : 3,088.84 = 1,679.74 : x
  2. Step 2: Convert to fraction form
    2,237.66/3,088.84 = 1,679.74/x
  3. Step 3: Cross multiply
    2,237.66x = 3,088.84 × 1,679.74
  4. Step 4: Simplify right side
    2,237.66x = 5,188,448.10
  5. Step 5: Solve for x
    x = 5,188,448.10/2,237.66
  6. Step 6: Final answer
    x = 2,318.69

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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.