Home / 2,204.19-3,041.78-1,272.69

Finding the Fourth Proportional to 2,204.19, 3,041.78 and 1,272.69

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Solution

The fourth proportional to 2,204.19, 3,041.78 and 1,272.69 is: 1,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.19 : 3,041.78 = 1,272.69 : x
  2. Step 2: Convert to fraction form
    2,204.19/3,041.78 = 1,272.69/x
  3. Step 3: Cross multiply
    2,204.19x = 3,041.78 × 1,272.69
  4. Step 4: Simplify right side
    2,204.19x = 3,871,242.99
  5. Step 5: Solve for x
    x = 3,871,242.99/2,204.19
  6. Step 6: Final answer
    x = 1,756.31

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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.