Home / 3,156.86-4,735.28-3,152.30

Finding the Fourth Proportional to 3,156.86, 4,735.28 and 3,152.30

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Solution

The fourth proportional to 3,156.86, 4,735.28 and 3,152.30 is: 4,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.86 : 4,735.28 = 3,152.30 : x
  2. Step 2: Convert to fraction form
    3,156.86/4,735.28 = 3,152.30/x
  3. Step 3: Cross multiply
    3,156.86x = 4,735.28 × 3,152.30
  4. Step 4: Simplify right side
    3,156.86x = 14,927,023.14
  5. Step 5: Solve for x
    x = 14,927,023.14/3,156.86
  6. Step 6: Final answer
    x = 4,728.44

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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.