Home / 1,896.50-2,841.84-1,407.17

Finding the Fourth Proportional to 1,896.50, 2,841.84 and 1,407.17

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Solution

The fourth proportional to 1,896.50, 2,841.84 and 1,407.17 is: 2,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.50 : 2,841.84 = 1,407.17 : x
  2. Step 2: Convert to fraction form
    1,896.50/2,841.84 = 1,407.17/x
  3. Step 3: Cross multiply
    1,896.50x = 2,841.84 × 1,407.17
  4. Step 4: Simplify right side
    1,896.50x = 3,998,937.78
  5. Step 5: Solve for x
    x = 3,998,937.78/1,896.50
  6. Step 6: Final answer
    x = 2,108.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.