Home / 2,511.61-3,466.04-1,392.57

Finding the Fourth Proportional to 2,511.61, 3,466.04 and 1,392.57

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Solution

The fourth proportional to 2,511.61, 3,466.04 and 1,392.57 is: 1,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.61 : 3,466.04 = 1,392.57 : x
  2. Step 2: Convert to fraction form
    2,511.61/3,466.04 = 1,392.57/x
  3. Step 3: Cross multiply
    2,511.61x = 3,466.04 × 1,392.57
  4. Step 4: Simplify right side
    2,511.61x = 4,826,696.36
  5. Step 5: Solve for x
    x = 4,826,696.36/2,511.61
  6. Step 6: Final answer
    x = 1,921.75

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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.