Home / 3,162.75-4,740.93-1,314.90

Finding the Fourth Proportional to 3,162.75, 4,740.93 and 1,314.90

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Solution

The fourth proportional to 3,162.75, 4,740.93 and 1,314.90 is: 1,971.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.75 : 4,740.93 = 1,314.90 : x
  2. Step 2: Convert to fraction form
    3,162.75/4,740.93 = 1,314.90/x
  3. Step 3: Cross multiply
    3,162.75x = 4,740.93 × 1,314.90
  4. Step 4: Simplify right side
    3,162.75x = 6,233,848.86
  5. Step 5: Solve for x
    x = 6,233,848.86/3,162.75
  6. Step 6: Final answer
    x = 1,971.02

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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.