Home / 1,818.02-2,727.29-707.22

Finding the Fourth Proportional to 1,818.02, 2,727.29 and 707.22

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Solution

The fourth proportional to 1,818.02, 2,727.29 and 707.22 is: 1,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.02 : 2,727.29 = 707.22 : x
  2. Step 2: Convert to fraction form
    1,818.02/2,727.29 = 707.22/x
  3. Step 3: Cross multiply
    1,818.02x = 2,727.29 × 707.22
  4. Step 4: Simplify right side
    1,818.02x = 1,928,800.85
  5. Step 5: Solve for x
    x = 1,928,800.85/1,818.02
  6. Step 6: Final answer
    x = 1,060.93

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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.