Home / 3,835.02-5,747.82-1,985.08

Finding the Fourth Proportional to 3,835.02, 5,747.82 and 1,985.08

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Solution

The fourth proportional to 3,835.02, 5,747.82 and 1,985.08 is: 2,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.02 : 5,747.82 = 1,985.08 : x
  2. Step 2: Convert to fraction form
    3,835.02/5,747.82 = 1,985.08/x
  3. Step 3: Cross multiply
    3,835.02x = 5,747.82 × 1,985.08
  4. Step 4: Simplify right side
    3,835.02x = 11,409,860.71
  5. Step 5: Solve for x
    x = 11,409,860.71/3,835.02
  6. Step 6: Final answer
    x = 2,975.18

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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.