Home / 1,479.71-2,227.77-1,307.36

Finding the Fourth Proportional to 1,479.71, 2,227.77 and 1,307.36

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Solution

The fourth proportional to 1,479.71, 2,227.77 and 1,307.36 is: 1,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.71 : 2,227.77 = 1,307.36 : x
  2. Step 2: Convert to fraction form
    1,479.71/2,227.77 = 1,307.36/x
  3. Step 3: Cross multiply
    1,479.71x = 2,227.77 × 1,307.36
  4. Step 4: Simplify right side
    1,479.71x = 2,912,497.39
  5. Step 5: Solve for x
    x = 2,912,497.39/1,479.71
  6. Step 6: Final answer
    x = 1,968.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.