Home / 2,286.81-3,155.49-1,342.35

Finding the Fourth Proportional to 2,286.81, 3,155.49 and 1,342.35

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Solution

The fourth proportional to 2,286.81, 3,155.49 and 1,342.35 is: 1,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.81 : 3,155.49 = 1,342.35 : x
  2. Step 2: Convert to fraction form
    2,286.81/3,155.49 = 1,342.35/x
  3. Step 3: Cross multiply
    2,286.81x = 3,155.49 × 1,342.35
  4. Step 4: Simplify right side
    2,286.81x = 4,235,772.00
  5. Step 5: Solve for x
    x = 4,235,772.00/2,286.81
  6. Step 6: Final answer
    x = 1,852.26

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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.