Home / 1,614.84-2,229.79-1,316.13

Finding the Fourth Proportional to 1,614.84, 2,229.79 and 1,316.13

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Solution

The fourth proportional to 1,614.84, 2,229.79 and 1,316.13 is: 1,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.84 : 2,229.79 = 1,316.13 : x
  2. Step 2: Convert to fraction form
    1,614.84/2,229.79 = 1,316.13/x
  3. Step 3: Cross multiply
    1,614.84x = 2,229.79 × 1,316.13
  4. Step 4: Simplify right side
    1,614.84x = 2,934,690.22
  5. Step 5: Solve for x
    x = 2,934,690.22/1,614.84
  6. Step 6: Final answer
    x = 1,817.33

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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.