Home / 2,122.77-2,927.79-1,624.17

Finding the Fourth Proportional to 2,122.77, 2,927.79 and 1,624.17

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Solution

The fourth proportional to 2,122.77, 2,927.79 and 1,624.17 is: 2,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.77 : 2,927.79 = 1,624.17 : x
  2. Step 2: Convert to fraction form
    2,122.77/2,927.79 = 1,624.17/x
  3. Step 3: Cross multiply
    2,122.77x = 2,927.79 × 1,624.17
  4. Step 4: Simplify right side
    2,122.77x = 4,755,228.68
  5. Step 5: Solve for x
    x = 4,755,228.68/2,122.77
  6. Step 6: Final answer
    x = 2,240.11

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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.