Home / 2,511.54-3,466.40-1,670.76

Finding the Fourth Proportional to 2,511.54, 3,466.40 and 1,670.76

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Solution

The fourth proportional to 2,511.54, 3,466.40 and 1,670.76 is: 2,305.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.54 : 3,466.40 = 1,670.76 : x
  2. Step 2: Convert to fraction form
    2,511.54/3,466.40 = 1,670.76/x
  3. Step 3: Cross multiply
    2,511.54x = 3,466.40 × 1,670.76
  4. Step 4: Simplify right side
    2,511.54x = 5,791,514.11
  5. Step 5: Solve for x
    x = 5,791,514.11/2,511.54
  6. Step 6: Final answer
    x = 2,305.96

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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.