Home / 3,543.09-5,283.68-3,106.36

Finding the Fourth Proportional to 3,543.09, 5,283.68 and 3,106.36

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Solution

The fourth proportional to 3,543.09, 5,283.68 and 3,106.36 is: 4,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.09 : 5,283.68 = 3,106.36 : x
  2. Step 2: Convert to fraction form
    3,543.09/5,283.68 = 3,106.36/x
  3. Step 3: Cross multiply
    3,543.09x = 5,283.68 × 3,106.36
  4. Step 4: Simplify right side
    3,543.09x = 16,413,012.20
  5. Step 5: Solve for x
    x = 16,413,012.20/3,543.09
  6. Step 6: Final answer
    x = 4,632.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.