Home / 3,837.42-5,755.02-2,430.90

Finding the Fourth Proportional to 3,837.42, 5,755.02 and 2,430.90

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Solution

The fourth proportional to 3,837.42, 5,755.02 and 2,430.90 is: 3,645.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.42 : 5,755.02 = 2,430.90 : x
  2. Step 2: Convert to fraction form
    3,837.42/5,755.02 = 2,430.90/x
  3. Step 3: Cross multiply
    3,837.42x = 5,755.02 × 2,430.90
  4. Step 4: Simplify right side
    3,837.42x = 13,989,878.12
  5. Step 5: Solve for x
    x = 13,989,878.12/3,837.42
  6. Step 6: Final answer
    x = 3,645.65

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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.