Home / 2,203.16-3,040.43-1,259.09

Finding the Fourth Proportional to 2,203.16, 3,040.43 and 1,259.09

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Solution

The fourth proportional to 2,203.16, 3,040.43 and 1,259.09 is: 1,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.16 : 3,040.43 = 1,259.09 : x
  2. Step 2: Convert to fraction form
    2,203.16/3,040.43 = 1,259.09/x
  3. Step 3: Cross multiply
    2,203.16x = 3,040.43 × 1,259.09
  4. Step 4: Simplify right side
    2,203.16x = 3,828,168.71
  5. Step 5: Solve for x
    x = 3,828,168.71/2,203.16
  6. Step 6: Final answer
    x = 1,737.58

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1.5x scale

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.