Home / 1,480.30-2,043.68-1,316.26

Finding the Fourth Proportional to 1,480.30, 2,043.68 and 1,316.26

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Solution

The fourth proportional to 1,480.30, 2,043.68 and 1,316.26 is: 1,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.30 : 2,043.68 = 1,316.26 : x
  2. Step 2: Convert to fraction form
    1,480.30/2,043.68 = 1,316.26/x
  3. Step 3: Cross multiply
    1,480.30x = 2,043.68 × 1,316.26
  4. Step 4: Simplify right side
    1,480.30x = 2,690,014.24
  5. Step 5: Solve for x
    x = 2,690,014.24/1,480.30
  6. Step 6: Final answer
    x = 1,817.21

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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.