Home / 1,511.85-2,272.38-1,479.56

Finding the Fourth Proportional to 1,511.85, 2,272.38 and 1,479.56

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Solution

The fourth proportional to 1,511.85, 2,272.38 and 1,479.56 is: 2,223.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.85 : 2,272.38 = 1,479.56 : x
  2. Step 2: Convert to fraction form
    1,511.85/2,272.38 = 1,479.56/x
  3. Step 3: Cross multiply
    1,511.85x = 2,272.38 × 1,479.56
  4. Step 4: Simplify right side
    1,511.85x = 3,362,111.19
  5. Step 5: Solve for x
    x = 3,362,111.19/1,511.85
  6. Step 6: Final answer
    x = 2,223.84

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1.5x scale

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.