Home / 3,557.01-5,335.38-1,091.76

Finding the Fourth Proportional to 3,557.01, 5,335.38 and 1,091.76

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Solution

The fourth proportional to 3,557.01, 5,335.38 and 1,091.76 is: 1,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.01 : 5,335.38 = 1,091.76 : x
  2. Step 2: Convert to fraction form
    3,557.01/5,335.38 = 1,091.76/x
  3. Step 3: Cross multiply
    3,557.01x = 5,335.38 × 1,091.76
  4. Step 4: Simplify right side
    3,557.01x = 5,824,961.40
  5. Step 5: Solve for x
    x = 5,824,961.40/3,557.01
  6. Step 6: Final answer
    x = 1,637.60

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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.