Home / 1,444.42-1,991.95-1,269.46

Finding the Fourth Proportional to 1,444.42, 1,991.95 and 1,269.46

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Solution

The fourth proportional to 1,444.42, 1,991.95 and 1,269.46 is: 1,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.42 : 1,991.95 = 1,269.46 : x
  2. Step 2: Convert to fraction form
    1,444.42/1,991.95 = 1,269.46/x
  3. Step 3: Cross multiply
    1,444.42x = 1,991.95 × 1,269.46
  4. Step 4: Simplify right side
    1,444.42x = 2,528,700.85
  5. Step 5: Solve for x
    x = 2,528,700.85/1,444.42
  6. Step 6: Final answer
    x = 1,750.67

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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.