Home / 1,600.48-2,207.87-1,379.05

Finding the Fourth Proportional to 1,600.48, 2,207.87 and 1,379.05

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Solution

The fourth proportional to 1,600.48, 2,207.87 and 1,379.05 is: 1,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.48 : 2,207.87 = 1,379.05 : x
  2. Step 2: Convert to fraction form
    1,600.48/2,207.87 = 1,379.05/x
  3. Step 3: Cross multiply
    1,600.48x = 2,207.87 × 1,379.05
  4. Step 4: Simplify right side
    1,600.48x = 3,044,761.05
  5. Step 5: Solve for x
    x = 3,044,761.05/1,600.48
  6. Step 6: Final answer
    x = 1,902.41

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1.5x scale

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.