Home / 2,917.80-4,376.70-2,094.30

Finding the Fourth Proportional to 2,917.80, 4,376.70 and 2,094.30

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Solution

The fourth proportional to 2,917.80, 4,376.70 and 2,094.30 is: 3,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.80 : 4,376.70 = 2,094.30 : x
  2. Step 2: Convert to fraction form
    2,917.80/4,376.70 = 2,094.30/x
  3. Step 3: Cross multiply
    2,917.80x = 4,376.70 × 2,094.30
  4. Step 4: Simplify right side
    2,917.80x = 9,166,122.81
  5. Step 5: Solve for x
    x = 9,166,122.81/2,917.80
  6. Step 6: Final answer
    x = 3,141.45

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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.