Home / 1,444.20-1,994.36-1,151.62

Finding the Fourth Proportional to 1,444.20, 1,994.36 and 1,151.62

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Solution

The fourth proportional to 1,444.20, 1,994.36 and 1,151.62 is: 1,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.20 : 1,994.36 = 1,151.62 : x
  2. Step 2: Convert to fraction form
    1,444.20/1,994.36 = 1,151.62/x
  3. Step 3: Cross multiply
    1,444.20x = 1,994.36 × 1,151.62
  4. Step 4: Simplify right side
    1,444.20x = 2,296,744.86
  5. Step 5: Solve for x
    x = 2,296,744.86/1,444.20
  6. Step 6: Final answer
    x = 1,590.32

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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.