Home / 1,680.94-2,314.33-1,459.81

Finding the Fourth Proportional to 1,680.94, 2,314.33 and 1,459.81

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Solution

The fourth proportional to 1,680.94, 2,314.33 and 1,459.81 is: 2,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.94 : 2,314.33 = 1,459.81 : x
  2. Step 2: Convert to fraction form
    1,680.94/2,314.33 = 1,459.81/x
  3. Step 3: Cross multiply
    1,680.94x = 2,314.33 × 1,459.81
  4. Step 4: Simplify right side
    1,680.94x = 3,378,482.08
  5. Step 5: Solve for x
    x = 3,378,482.08/1,680.94
  6. Step 6: Final answer
    x = 2,009.88

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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.