Home / 1,514.18-2,089.44-851.02

Finding the Fourth Proportional to 1,514.18, 2,089.44 and 851.02

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Solution

The fourth proportional to 1,514.18, 2,089.44 and 851.02 is: 1,174.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.18 : 2,089.44 = 851.02 : x
  2. Step 2: Convert to fraction form
    1,514.18/2,089.44 = 851.02/x
  3. Step 3: Cross multiply
    1,514.18x = 2,089.44 × 851.02
  4. Step 4: Simplify right side
    1,514.18x = 1,778,155.23
  5. Step 5: Solve for x
    x = 1,778,155.23/1,514.18
  6. Step 6: Final answer
    x = 1,174.34

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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.