Home / 1,666.30-2,493.60-1,370.23

Finding the Fourth Proportional to 1,666.30, 2,493.60 and 1,370.23

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Solution

The fourth proportional to 1,666.30, 2,493.60 and 1,370.23 is: 2,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.30 : 2,493.60 = 1,370.23 : x
  2. Step 2: Convert to fraction form
    1,666.30/2,493.60 = 1,370.23/x
  3. Step 3: Cross multiply
    1,666.30x = 2,493.60 × 1,370.23
  4. Step 4: Simplify right side
    1,666.30x = 3,416,805.53
  5. Step 5: Solve for x
    x = 3,416,805.53/1,666.30
  6. Step 6: Final answer
    x = 2,050.53

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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.