Home / 3,419.02-4,718.01-2,021.50

Finding the Fourth Proportional to 3,419.02, 4,718.01 and 2,021.50

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Solution

The fourth proportional to 3,419.02, 4,718.01 and 2,021.50 is: 2,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.02 : 4,718.01 = 2,021.50 : x
  2. Step 2: Convert to fraction form
    3,419.02/4,718.01 = 2,021.50/x
  3. Step 3: Cross multiply
    3,419.02x = 4,718.01 × 2,021.50
  4. Step 4: Simplify right side
    3,419.02x = 9,537,457.22
  5. Step 5: Solve for x
    x = 9,537,457.22/3,419.02
  6. Step 6: Final answer
    x = 2,789.53

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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.