Home / 3,985.02-5,972.33-1,642.35

Finding the Fourth Proportional to 3,985.02, 5,972.33 and 1,642.35

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Solution

The fourth proportional to 3,985.02, 5,972.33 and 1,642.35 is: 2,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.02 : 5,972.33 = 1,642.35 : x
  2. Step 2: Convert to fraction form
    3,985.02/5,972.33 = 1,642.35/x
  3. Step 3: Cross multiply
    3,985.02x = 5,972.33 × 1,642.35
  4. Step 4: Simplify right side
    3,985.02x = 9,808,647.96
  5. Step 5: Solve for x
    x = 9,808,647.96/3,985.02
  6. Step 6: Final answer
    x = 2,461.38

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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.