Home / 3,117.56-4,298.70-2,556.26

Finding the Fourth Proportional to 3,117.56, 4,298.70 and 2,556.26

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Solution

The fourth proportional to 3,117.56, 4,298.70 and 2,556.26 is: 3,524.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.56 : 4,298.70 = 2,556.26 : x
  2. Step 2: Convert to fraction form
    3,117.56/4,298.70 = 2,556.26/x
  3. Step 3: Cross multiply
    3,117.56x = 4,298.70 × 2,556.26
  4. Step 4: Simplify right side
    3,117.56x = 10,988,594.86
  5. Step 5: Solve for x
    x = 10,988,594.86/3,117.56
  6. Step 6: Final answer
    x = 3,524.74

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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.