Home / 1,669.58-2,501.10-1,438.46

Finding the Fourth Proportional to 1,669.58, 2,501.10 and 1,438.46

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Solution

The fourth proportional to 1,669.58, 2,501.10 and 1,438.46 is: 2,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.58 : 2,501.10 = 1,438.46 : x
  2. Step 2: Convert to fraction form
    1,669.58/2,501.10 = 1,438.46/x
  3. Step 3: Cross multiply
    1,669.58x = 2,501.10 × 1,438.46
  4. Step 4: Simplify right side
    1,669.58x = 3,597,732.31
  5. Step 5: Solve for x
    x = 3,597,732.31/1,669.58
  6. Step 6: Final answer
    x = 2,154.87

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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.