Home / 3,307.71-4,959.93-1,639.91

Finding the Fourth Proportional to 3,307.71, 4,959.93 and 1,639.91

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Solution

The fourth proportional to 3,307.71, 4,959.93 and 1,639.91 is: 2,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.71 : 4,959.93 = 1,639.91 : x
  2. Step 2: Convert to fraction form
    3,307.71/4,959.93 = 1,639.91/x
  3. Step 3: Cross multiply
    3,307.71x = 4,959.93 × 1,639.91
  4. Step 4: Simplify right side
    3,307.71x = 8,133,814.01
  5. Step 5: Solve for x
    x = 8,133,814.01/3,307.71
  6. Step 6: Final answer
    x = 2,459.05

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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.