Home / 3,160.32-4,741.04-1,311.58

Finding the Fourth Proportional to 3,160.32, 4,741.04 and 1,311.58

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Solution

The fourth proportional to 3,160.32, 4,741.04 and 1,311.58 is: 1,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.32 : 4,741.04 = 1,311.58 : x
  2. Step 2: Convert to fraction form
    3,160.32/4,741.04 = 1,311.58/x
  3. Step 3: Cross multiply
    3,160.32x = 4,741.04 × 1,311.58
  4. Step 4: Simplify right side
    3,160.32x = 6,218,253.24
  5. Step 5: Solve for x
    x = 6,218,253.24/3,160.32
  6. Step 6: Final answer
    x = 1,967.60

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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.