Home / 1,951.08-2,928.12-1,130.04

Finding the Fourth Proportional to 1,951.08, 2,928.12 and 1,130.04

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Solution

The fourth proportional to 1,951.08, 2,928.12 and 1,130.04 is: 1,695.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.08 : 2,928.12 = 1,130.04 : x
  2. Step 2: Convert to fraction form
    1,951.08/2,928.12 = 1,130.04/x
  3. Step 3: Cross multiply
    1,951.08x = 2,928.12 × 1,130.04
  4. Step 4: Simplify right side
    1,951.08x = 3,308,892.72
  5. Step 5: Solve for x
    x = 3,308,892.72/1,951.08
  6. Step 6: Final answer
    x = 1,695.93

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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.