Home / 1,679.51-2,318.86-1,501.92

Finding the Fourth Proportional to 1,679.51, 2,318.86 and 1,501.92

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Solution

The fourth proportional to 1,679.51, 2,318.86 and 1,501.92 is: 2,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.51 : 2,318.86 = 1,501.92 : x
  2. Step 2: Convert to fraction form
    1,679.51/2,318.86 = 1,501.92/x
  3. Step 3: Cross multiply
    1,679.51x = 2,318.86 × 1,501.92
  4. Step 4: Simplify right side
    1,679.51x = 3,482,734.70
  5. Step 5: Solve for x
    x = 3,482,734.70/1,679.51
  6. Step 6: Final answer
    x = 2,073.66

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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.