Home / 2,148.32-2,956.08-2,084.12

Finding the Fourth Proportional to 2,148.32, 2,956.08 and 2,084.12

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Solution

The fourth proportional to 2,148.32, 2,956.08 and 2,084.12 is: 2,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.32 : 2,956.08 = 2,084.12 : x
  2. Step 2: Convert to fraction form
    2,148.32/2,956.08 = 2,084.12/x
  3. Step 3: Cross multiply
    2,148.32x = 2,956.08 × 2,084.12
  4. Step 4: Simplify right side
    2,148.32x = 6,160,840.66
  5. Step 5: Solve for x
    x = 6,160,840.66/2,148.32
  6. Step 6: Final answer
    x = 2,867.75

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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.