Home / 3,759.48-5,637.31-1,259.80

Finding the Fourth Proportional to 3,759.48, 5,637.31 and 1,259.80

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Solution

The fourth proportional to 3,759.48, 5,637.31 and 1,259.80 is: 1,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.48 : 5,637.31 = 1,259.80 : x
  2. Step 2: Convert to fraction form
    3,759.48/5,637.31 = 1,259.80/x
  3. Step 3: Cross multiply
    3,759.48x = 5,637.31 × 1,259.80
  4. Step 4: Simplify right side
    3,759.48x = 7,101,865.90
  5. Step 5: Solve for x
    x = 7,101,865.90/3,759.48
  6. Step 6: Final answer
    x = 1,889.06

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1.5x scale

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.