Home / 2,511.78-3,466.17-1,392.93

Finding the Fourth Proportional to 2,511.78, 3,466.17 and 1,392.93

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Solution

The fourth proportional to 2,511.78, 3,466.17 and 1,392.93 is: 1,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.78 : 3,466.17 = 1,392.93 : x
  2. Step 2: Convert to fraction form
    2,511.78/3,466.17 = 1,392.93/x
  3. Step 3: Cross multiply
    2,511.78x = 3,466.17 × 1,392.93
  4. Step 4: Simplify right side
    2,511.78x = 4,828,132.18
  5. Step 5: Solve for x
    x = 4,828,132.18/2,511.78
  6. Step 6: Final answer
    x = 1,922.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.