Home / 4,215.94-5,818.52-2,538.22

Finding the Fourth Proportional to 4,215.94, 5,818.52 and 2,538.22

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Solution

The fourth proportional to 4,215.94, 5,818.52 and 2,538.22 is: 3,503.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.94 : 5,818.52 = 2,538.22 : x
  2. Step 2: Convert to fraction form
    4,215.94/5,818.52 = 2,538.22/x
  3. Step 3: Cross multiply
    4,215.94x = 5,818.52 × 2,538.22
  4. Step 4: Simplify right side
    4,215.94x = 14,768,683.83
  5. Step 5: Solve for x
    x = 14,768,683.83/4,215.94
  6. Step 6: Final answer
    x = 3,503.06

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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.