Home / 2,259.09-3,380.40-1,335.06

Finding the Fourth Proportional to 2,259.09, 3,380.40 and 1,335.06

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Solution

The fourth proportional to 2,259.09, 3,380.40 and 1,335.06 is: 1,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.09 : 3,380.40 = 1,335.06 : x
  2. Step 2: Convert to fraction form
    2,259.09/3,380.40 = 1,335.06/x
  3. Step 3: Cross multiply
    2,259.09x = 3,380.40 × 1,335.06
  4. Step 4: Simplify right side
    2,259.09x = 4,513,036.82
  5. Step 5: Solve for x
    x = 4,513,036.82/2,259.09
  6. Step 6: Final answer
    x = 1,997.72

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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.