Home / 2,283.16-3,426.88-1,188.30

Finding the Fourth Proportional to 2,283.16, 3,426.88 and 1,188.30

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Solution

The fourth proportional to 2,283.16, 3,426.88 and 1,188.30 is: 1,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.16 : 3,426.88 = 1,188.30 : x
  2. Step 2: Convert to fraction form
    2,283.16/3,426.88 = 1,188.30/x
  3. Step 3: Cross multiply
    2,283.16x = 3,426.88 × 1,188.30
  4. Step 4: Simplify right side
    2,283.16x = 4,072,161.50
  5. Step 5: Solve for x
    x = 4,072,161.50/2,283.16
  6. Step 6: Final answer
    x = 1,783.56

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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.