Home / 2,267.36-3,129.81-1,951.46

Finding the Fourth Proportional to 2,267.36, 3,129.81 and 1,951.46

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Solution

The fourth proportional to 2,267.36, 3,129.81 and 1,951.46 is: 2,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.36 : 3,129.81 = 1,951.46 : x
  2. Step 2: Convert to fraction form
    2,267.36/3,129.81 = 1,951.46/x
  3. Step 3: Cross multiply
    2,267.36x = 3,129.81 × 1,951.46
  4. Step 4: Simplify right side
    2,267.36x = 6,107,699.02
  5. Step 5: Solve for x
    x = 6,107,699.02/2,267.36
  6. Step 6: Final answer
    x = 2,693.75

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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.