Home / 3,091.30-4,637.76-1,143.52

Finding the Fourth Proportional to 3,091.30, 4,637.76 and 1,143.52

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Solution

The fourth proportional to 3,091.30, 4,637.76 and 1,143.52 is: 1,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.30 : 4,637.76 = 1,143.52 : x
  2. Step 2: Convert to fraction form
    3,091.30/4,637.76 = 1,143.52/x
  3. Step 3: Cross multiply
    3,091.30x = 4,637.76 × 1,143.52
  4. Step 4: Simplify right side
    3,091.30x = 5,303,371.32
  5. Step 5: Solve for x
    x = 5,303,371.32/3,091.30
  6. Step 6: Final answer
    x = 1,715.58

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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.