Home / 2,910.76-4,016.58-1,731.64

Finding the Fourth Proportional to 2,910.76, 4,016.58 and 1,731.64

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Solution

The fourth proportional to 2,910.76, 4,016.58 and 1,731.64 is: 2,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.76 : 4,016.58 = 1,731.64 : x
  2. Step 2: Convert to fraction form
    2,910.76/4,016.58 = 1,731.64/x
  3. Step 3: Cross multiply
    2,910.76x = 4,016.58 × 1,731.64
  4. Step 4: Simplify right side
    2,910.76x = 6,955,270.59
  5. Step 5: Solve for x
    x = 6,955,270.59/2,910.76
  6. Step 6: Final answer
    x = 2,389.50

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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.