Home / 2,985.17-4,447.76-2,817.50

Finding the Fourth Proportional to 2,985.17, 4,447.76 and 2,817.50

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Solution

The fourth proportional to 2,985.17, 4,447.76 and 2,817.50 is: 4,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.17 : 4,447.76 = 2,817.50 : x
  2. Step 2: Convert to fraction form
    2,985.17/4,447.76 = 2,817.50/x
  3. Step 3: Cross multiply
    2,985.17x = 4,447.76 × 2,817.50
  4. Step 4: Simplify right side
    2,985.17x = 12,531,563.80
  5. Step 5: Solve for x
    x = 12,531,563.80/2,985.17
  6. Step 6: Final answer
    x = 4,197.94

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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.