Home / 2,203.63-3,041.01-1,272.13

Finding the Fourth Proportional to 2,203.63, 3,041.01 and 1,272.13

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Solution

The fourth proportional to 2,203.63, 3,041.01 and 1,272.13 is: 1,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.63 : 3,041.01 = 1,272.13 : x
  2. Step 2: Convert to fraction form
    2,203.63/3,041.01 = 1,272.13/x
  3. Step 3: Cross multiply
    2,203.63x = 3,041.01 × 1,272.13
  4. Step 4: Simplify right side
    2,203.63x = 3,868,538.49
  5. Step 5: Solve for x
    x = 3,868,538.49/2,203.63
  6. Step 6: Final answer
    x = 1,755.53

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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.