Home / 1,433.37-2,148.22-1,247.50

Finding the Fourth Proportional to 1,433.37, 2,148.22 and 1,247.50

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Solution

The fourth proportional to 1,433.37, 2,148.22 and 1,247.50 is: 1,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.37 : 2,148.22 = 1,247.50 : x
  2. Step 2: Convert to fraction form
    1,433.37/2,148.22 = 1,247.50/x
  3. Step 3: Cross multiply
    1,433.37x = 2,148.22 × 1,247.50
  4. Step 4: Simplify right side
    1,433.37x = 2,679,904.45
  5. Step 5: Solve for x
    x = 2,679,904.45/1,433.37
  6. Step 6: Final answer
    x = 1,869.65

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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.