Home / 2,708.10-3,737.40-1,529.38

Finding the Fourth Proportional to 2,708.10, 3,737.40 and 1,529.38

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Solution

The fourth proportional to 2,708.10, 3,737.40 and 1,529.38 is: 2,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.10 : 3,737.40 = 1,529.38 : x
  2. Step 2: Convert to fraction form
    2,708.10/3,737.40 = 1,529.38/x
  3. Step 3: Cross multiply
    2,708.10x = 3,737.40 × 1,529.38
  4. Step 4: Simplify right side
    2,708.10x = 5,715,904.81
  5. Step 5: Solve for x
    x = 5,715,904.81/2,708.10
  6. Step 6: Final answer
    x = 2,110.67

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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.