Home / 3,116.54-4,670.91-1,556.98

Finding the Fourth Proportional to 3,116.54, 4,670.91 and 1,556.98

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Solution

The fourth proportional to 3,116.54, 4,670.91 and 1,556.98 is: 2,333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.54 : 4,670.91 = 1,556.98 : x
  2. Step 2: Convert to fraction form
    3,116.54/4,670.91 = 1,556.98/x
  3. Step 3: Cross multiply
    3,116.54x = 4,670.91 × 1,556.98
  4. Step 4: Simplify right side
    3,116.54x = 7,272,503.96
  5. Step 5: Solve for x
    x = 7,272,503.96/3,116.54
  6. Step 6: Final answer
    x = 2,333.52

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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.