Home / 2,117.95-2,922.63-1,244.09

Finding the Fourth Proportional to 2,117.95, 2,922.63 and 1,244.09

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Solution

The fourth proportional to 2,117.95, 2,922.63 and 1,244.09 is: 1,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.95 : 2,922.63 = 1,244.09 : x
  2. Step 2: Convert to fraction form
    2,117.95/2,922.63 = 1,244.09/x
  3. Step 3: Cross multiply
    2,117.95x = 2,922.63 × 1,244.09
  4. Step 4: Simplify right side
    2,117.95x = 3,636,000.14
  5. Step 5: Solve for x
    x = 3,636,000.14/2,117.95
  6. Step 6: Final answer
    x = 1,716.76

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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.