Home / 1,809.06-2,714.19-712.83

Finding the Fourth Proportional to 1,809.06, 2,714.19 and 712.83

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Solution

The fourth proportional to 1,809.06, 2,714.19 and 712.83 is: 1,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.06 : 2,714.19 = 712.83 : x
  2. Step 2: Convert to fraction form
    1,809.06/2,714.19 = 712.83/x
  3. Step 3: Cross multiply
    1,809.06x = 2,714.19 × 712.83
  4. Step 4: Simplify right side
    1,809.06x = 1,934,756.06
  5. Step 5: Solve for x
    x = 1,934,756.06/1,809.06
  6. Step 6: Final answer
    x = 1,069.48

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1.5x scale

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.