Home / 2,079.42-2,869.64-1,135.25

Finding the Fourth Proportional to 2,079.42, 2,869.64 and 1,135.25

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Solution

The fourth proportional to 2,079.42, 2,869.64 and 1,135.25 is: 1,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.42 : 2,869.64 = 1,135.25 : x
  2. Step 2: Convert to fraction form
    2,079.42/2,869.64 = 1,135.25/x
  3. Step 3: Cross multiply
    2,079.42x = 2,869.64 × 1,135.25
  4. Step 4: Simplify right side
    2,079.42x = 3,257,758.81
  5. Step 5: Solve for x
    x = 3,257,758.81/2,079.42
  6. Step 6: Final answer
    x = 1,566.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.