Home / 1,759.90-2,433.30-1,541.20

Finding the Fourth Proportional to 1,759.90, 2,433.30 and 1,541.20

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Solution

The fourth proportional to 1,759.90, 2,433.30 and 1,541.20 is: 2,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.90 : 2,433.30 = 1,541.20 : x
  2. Step 2: Convert to fraction form
    1,759.90/2,433.30 = 1,541.20/x
  3. Step 3: Cross multiply
    1,759.90x = 2,433.30 × 1,541.20
  4. Step 4: Simplify right side
    1,759.90x = 3,750,201.96
  5. Step 5: Solve for x
    x = 3,750,201.96/1,759.90
  6. Step 6: Final answer
    x = 2,130.92

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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.