Home / 1,659.68-2,492.80-1,614.40

Finding the Fourth Proportional to 1,659.68, 2,492.80 and 1,614.40

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Solution

The fourth proportional to 1,659.68, 2,492.80 and 1,614.40 is: 2,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.68 : 2,492.80 = 1,614.40 : x
  2. Step 2: Convert to fraction form
    1,659.68/2,492.80 = 1,614.40/x
  3. Step 3: Cross multiply
    1,659.68x = 2,492.80 × 1,614.40
  4. Step 4: Simplify right side
    1,659.68x = 4,024,376.32
  5. Step 5: Solve for x
    x = 4,024,376.32/1,659.68
  6. Step 6: Final answer
    x = 2,424.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.