Home / 3,145.11-4,718.35-954.01

Finding the Fourth Proportional to 3,145.11, 4,718.35 and 954.01

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Solution

The fourth proportional to 3,145.11, 4,718.35 and 954.01 is: 1,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.11 : 4,718.35 = 954.01 : x
  2. Step 2: Convert to fraction form
    3,145.11/4,718.35 = 954.01/x
  3. Step 3: Cross multiply
    3,145.11x = 4,718.35 × 954.01
  4. Step 4: Simplify right side
    3,145.11x = 4,501,360.17
  5. Step 5: Solve for x
    x = 4,501,360.17/3,145.11
  6. Step 6: Final answer
    x = 1,431.23

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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.