Home / 2,193.13-3,026.52-1,261.63

Finding the Fourth Proportional to 2,193.13, 3,026.52 and 1,261.63

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Solution

The fourth proportional to 2,193.13, 3,026.52 and 1,261.63 is: 1,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.13 : 3,026.52 = 1,261.63 : x
  2. Step 2: Convert to fraction form
    2,193.13/3,026.52 = 1,261.63/x
  3. Step 3: Cross multiply
    2,193.13x = 3,026.52 × 1,261.63
  4. Step 4: Simplify right side
    2,193.13x = 3,818,326.99
  5. Step 5: Solve for x
    x = 3,818,326.99/2,193.13
  6. Step 6: Final answer
    x = 1,741.04

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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.