Home / 3,051.86-4,215.03-2,055.41

Finding the Fourth Proportional to 3,051.86, 4,215.03 and 2,055.41

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Solution

The fourth proportional to 3,051.86, 4,215.03 and 2,055.41 is: 2,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.86 : 4,215.03 = 2,055.41 : x
  2. Step 2: Convert to fraction form
    3,051.86/4,215.03 = 2,055.41/x
  3. Step 3: Cross multiply
    3,051.86x = 4,215.03 × 2,055.41
  4. Step 4: Simplify right side
    3,051.86x = 8,663,614.81
  5. Step 5: Solve for x
    x = 8,663,614.81/3,051.86
  6. Step 6: Final answer
    x = 2,838.80

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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.