Home / 3,157.86-4,730.30-2,538.22

Finding the Fourth Proportional to 3,157.86, 4,730.30 and 2,538.22

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Solution

The fourth proportional to 3,157.86, 4,730.30 and 2,538.22 is: 3,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.86 : 4,730.30 = 2,538.22 : x
  2. Step 2: Convert to fraction form
    3,157.86/4,730.30 = 2,538.22/x
  3. Step 3: Cross multiply
    3,157.86x = 4,730.30 × 2,538.22
  4. Step 4: Simplify right side
    3,157.86x = 12,006,542.07
  5. Step 5: Solve for x
    x = 12,006,542.07/3,157.86
  6. Step 6: Final answer
    x = 3,802.11

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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.