Home / 1,750.20-2,626.90-1,386.04

Finding the Fourth Proportional to 1,750.20, 2,626.90 and 1,386.04

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Solution

The fourth proportional to 1,750.20, 2,626.90 and 1,386.04 is: 2,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.20 : 2,626.90 = 1,386.04 : x
  2. Step 2: Convert to fraction form
    1,750.20/2,626.90 = 1,386.04/x
  3. Step 3: Cross multiply
    1,750.20x = 2,626.90 × 1,386.04
  4. Step 4: Simplify right side
    1,750.20x = 3,640,988.48
  5. Step 5: Solve for x
    x = 3,640,988.48/1,750.20
  6. Step 6: Final answer
    x = 2,080.33

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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.