Home / 2,695.14-4,039.80-1,051.20

Finding the Fourth Proportional to 2,695.14, 4,039.80 and 1,051.20

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Solution

The fourth proportional to 2,695.14, 4,039.80 and 1,051.20 is: 1,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.14 : 4,039.80 = 1,051.20 : x
  2. Step 2: Convert to fraction form
    2,695.14/4,039.80 = 1,051.20/x
  3. Step 3: Cross multiply
    2,695.14x = 4,039.80 × 1,051.20
  4. Step 4: Simplify right side
    2,695.14x = 4,246,637.76
  5. Step 5: Solve for x
    x = 4,246,637.76/2,695.14
  6. Step 6: Final answer
    x = 1,575.66

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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.