Home / 1,838.59-2,537.42-1,209.62

Finding the Fourth Proportional to 1,838.59, 2,537.42 and 1,209.62

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Solution

The fourth proportional to 1,838.59, 2,537.42 and 1,209.62 is: 1,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.59 : 2,537.42 = 1,209.62 : x
  2. Step 2: Convert to fraction form
    1,838.59/2,537.42 = 1,209.62/x
  3. Step 3: Cross multiply
    1,838.59x = 2,537.42 × 1,209.62
  4. Step 4: Simplify right side
    1,838.59x = 3,069,313.98
  5. Step 5: Solve for x
    x = 3,069,313.98/1,838.59
  6. Step 6: Final answer
    x = 1,669.38

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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.