Home / 2,099.17-2,897.13-1,214.80

Finding the Fourth Proportional to 2,099.17, 2,897.13 and 1,214.80

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Solution

The fourth proportional to 2,099.17, 2,897.13 and 1,214.80 is: 1,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.17 : 2,897.13 = 1,214.80 : x
  2. Step 2: Convert to fraction form
    2,099.17/2,897.13 = 1,214.80/x
  3. Step 3: Cross multiply
    2,099.17x = 2,897.13 × 1,214.80
  4. Step 4: Simplify right side
    2,099.17x = 3,519,433.52
  5. Step 5: Solve for x
    x = 3,519,433.52/2,099.17
  6. Step 6: Final answer
    x = 1,676.58

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1.5x scale

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.