Home / 1,372.24-1,881.34-1,347.67

Finding the Fourth Proportional to 1,372.24, 1,881.34 and 1,347.67

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Solution

The fourth proportional to 1,372.24, 1,881.34 and 1,347.67 is: 1,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.24 : 1,881.34 = 1,347.67 : x
  2. Step 2: Convert to fraction form
    1,372.24/1,881.34 = 1,347.67/x
  3. Step 3: Cross multiply
    1,372.24x = 1,881.34 × 1,347.67
  4. Step 4: Simplify right side
    1,372.24x = 2,535,425.48
  5. Step 5: Solve for x
    x = 2,535,425.48/1,372.24
  6. Step 6: Final answer
    x = 1,847.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.