Home / 3,407.02-5,110.55-1,216.10

Finding the Fourth Proportional to 3,407.02, 5,110.55 and 1,216.10

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Solution

The fourth proportional to 3,407.02, 5,110.55 and 1,216.10 is: 1,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.02 : 5,110.55 = 1,216.10 : x
  2. Step 2: Convert to fraction form
    3,407.02/5,110.55 = 1,216.10/x
  3. Step 3: Cross multiply
    3,407.02x = 5,110.55 × 1,216.10
  4. Step 4: Simplify right side
    3,407.02x = 6,214,939.86
  5. Step 5: Solve for x
    x = 6,214,939.86/3,407.02
  6. Step 6: Final answer
    x = 1,824.16

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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.