Home / 3,307.51-4,946.91-1,917.46

Finding the Fourth Proportional to 3,307.51, 4,946.91 and 1,917.46

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Solution

The fourth proportional to 3,307.51, 4,946.91 and 1,917.46 is: 2,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.51 : 4,946.91 = 1,917.46 : x
  2. Step 2: Convert to fraction form
    3,307.51/4,946.91 = 1,917.46/x
  3. Step 3: Cross multiply
    3,307.51x = 4,946.91 × 1,917.46
  4. Step 4: Simplify right side
    3,307.51x = 9,485,502.05
  5. Step 5: Solve for x
    x = 9,485,502.05/3,307.51
  6. Step 6: Final answer
    x = 2,867.87

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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.