Home / 2,235.78-3,354.30-1,139.94

Finding the Fourth Proportional to 2,235.78, 3,354.30 and 1,139.94

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Solution

The fourth proportional to 2,235.78, 3,354.30 and 1,139.94 is: 1,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.78 : 3,354.30 = 1,139.94 : x
  2. Step 2: Convert to fraction form
    2,235.78/3,354.30 = 1,139.94/x
  3. Step 3: Cross multiply
    2,235.78x = 3,354.30 × 1,139.94
  4. Step 4: Simplify right side
    2,235.78x = 3,823,700.74
  5. Step 5: Solve for x
    x = 3,823,700.74/2,235.78
  6. Step 6: Final answer
    x = 1,710.23

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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.