Home / 3,386.07-5,079.11-1,436.91

Finding the Fourth Proportional to 3,386.07, 5,079.11 and 1,436.91

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Solution

The fourth proportional to 3,386.07, 5,079.11 and 1,436.91 is: 2,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.07 : 5,079.11 = 1,436.91 : x
  2. Step 2: Convert to fraction form
    3,386.07/5,079.11 = 1,436.91/x
  3. Step 3: Cross multiply
    3,386.07x = 5,079.11 × 1,436.91
  4. Step 4: Simplify right side
    3,386.07x = 7,298,197.72
  5. Step 5: Solve for x
    x = 7,298,197.72/3,386.07
  6. Step 6: Final answer
    x = 2,155.36

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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.