Home / 2,291.36-3,441.78-1,853.10

Finding the Fourth Proportional to 2,291.36, 3,441.78 and 1,853.10

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Solution

The fourth proportional to 2,291.36, 3,441.78 and 1,853.10 is: 2,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.36 : 3,441.78 = 1,853.10 : x
  2. Step 2: Convert to fraction form
    2,291.36/3,441.78 = 1,853.10/x
  3. Step 3: Cross multiply
    2,291.36x = 3,441.78 × 1,853.10
  4. Step 4: Simplify right side
    2,291.36x = 6,377,962.52
  5. Step 5: Solve for x
    x = 6,377,962.52/2,291.36
  6. Step 6: Final answer
    x = 2,783.48

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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.