Home / 1,922.50-2,869.70-1,650.34

Finding the Fourth Proportional to 1,922.50, 2,869.70 and 1,650.34

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Solution

The fourth proportional to 1,922.50, 2,869.70 and 1,650.34 is: 2,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.50 : 2,869.70 = 1,650.34 : x
  2. Step 2: Convert to fraction form
    1,922.50/2,869.70 = 1,650.34/x
  3. Step 3: Cross multiply
    1,922.50x = 2,869.70 × 1,650.34
  4. Step 4: Simplify right side
    1,922.50x = 4,735,980.70
  5. Step 5: Solve for x
    x = 4,735,980.70/1,922.50
  6. Step 6: Final answer
    x = 2,463.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.