Home / 1,407.70-2,110.39-1,060.37

Finding the Fourth Proportional to 1,407.70, 2,110.39 and 1,060.37

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Solution

The fourth proportional to 1,407.70, 2,110.39 and 1,060.37 is: 1,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407.70 : 2,110.39 = 1,060.37 : x
  2. Step 2: Convert to fraction form
    1,407.70/2,110.39 = 1,060.37/x
  3. Step 3: Cross multiply
    1,407.70x = 2,110.39 × 1,060.37
  4. Step 4: Simplify right side
    1,407.70x = 2,237,781.04
  5. Step 5: Solve for x
    x = 2,237,781.04/1,407.70
  6. Step 6: Final answer
    x = 1,589.67

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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.