Home / 3,139.84-4,677.02-2,973.43

Finding the Fourth Proportional to 3,139.84, 4,677.02 and 2,973.43

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Solution

The fourth proportional to 3,139.84, 4,677.02 and 2,973.43 is: 4,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.84 : 4,677.02 = 2,973.43 : x
  2. Step 2: Convert to fraction form
    3,139.84/4,677.02 = 2,973.43/x
  3. Step 3: Cross multiply
    3,139.84x = 4,677.02 × 2,973.43
  4. Step 4: Simplify right side
    3,139.84x = 13,906,798.50
  5. Step 5: Solve for x
    x = 13,906,798.50/3,139.84
  6. Step 6: Final answer
    x = 4,429.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.