Home / 1,838.57-2,535.49-1,418.25

Finding the Fourth Proportional to 1,838.57, 2,535.49 and 1,418.25

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Solution

The fourth proportional to 1,838.57, 2,535.49 and 1,418.25 is: 1,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.57 : 2,535.49 = 1,418.25 : x
  2. Step 2: Convert to fraction form
    1,838.57/2,535.49 = 1,418.25/x
  3. Step 3: Cross multiply
    1,838.57x = 2,535.49 × 1,418.25
  4. Step 4: Simplify right side
    1,838.57x = 3,595,958.69
  5. Step 5: Solve for x
    x = 3,595,958.69/1,838.57
  6. Step 6: Final answer
    x = 1,955.85

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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.