Home / 2,176.42-3,263.01-1,310.53

Finding the Fourth Proportional to 2,176.42, 3,263.01 and 1,310.53

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Solution

The fourth proportional to 2,176.42, 3,263.01 and 1,310.53 is: 1,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.42 : 3,263.01 = 1,310.53 : x
  2. Step 2: Convert to fraction form
    2,176.42/3,263.01 = 1,310.53/x
  3. Step 3: Cross multiply
    2,176.42x = 3,263.01 × 1,310.53
  4. Step 4: Simplify right side
    2,176.42x = 4,276,272.50
  5. Step 5: Solve for x
    x = 4,276,272.50/2,176.42
  6. Step 6: Final answer
    x = 1,964.82

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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.