Home / 3,649.08-5,039.10-3,426.60

Finding the Fourth Proportional to 3,649.08, 5,039.10 and 3,426.60

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Solution

The fourth proportional to 3,649.08, 5,039.10 and 3,426.60 is: 4,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.08 : 5,039.10 = 3,426.60 : x
  2. Step 2: Convert to fraction form
    3,649.08/5,039.10 = 3,426.60/x
  3. Step 3: Cross multiply
    3,649.08x = 5,039.10 × 3,426.60
  4. Step 4: Simplify right side
    3,649.08x = 17,266,980.06
  5. Step 5: Solve for x
    x = 17,266,980.06/3,649.08
  6. Step 6: Final answer
    x = 4,731.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.