Home / 3,357.86-5,012.15-3,110.46

Finding the Fourth Proportional to 3,357.86, 5,012.15 and 3,110.46

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Solution

The fourth proportional to 3,357.86, 5,012.15 and 3,110.46 is: 4,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.86 : 5,012.15 = 3,110.46 : x
  2. Step 2: Convert to fraction form
    3,357.86/5,012.15 = 3,110.46/x
  3. Step 3: Cross multiply
    3,357.86x = 5,012.15 × 3,110.46
  4. Step 4: Simplify right side
    3,357.86x = 15,590,051.48
  5. Step 5: Solve for x
    x = 15,590,051.48/3,357.86
  6. Step 6: Final answer
    x = 4,642.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.