Home / 2,051.02-3,071.72-1,355.97

Finding the Fourth Proportional to 2,051.02, 3,071.72 and 1,355.97

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Solution

The fourth proportional to 2,051.02, 3,071.72 and 1,355.97 is: 2,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.02 : 3,071.72 = 1,355.97 : x
  2. Step 2: Convert to fraction form
    2,051.02/3,071.72 = 1,355.97/x
  3. Step 3: Cross multiply
    2,051.02x = 3,071.72 × 1,355.97
  4. Step 4: Simplify right side
    2,051.02x = 4,165,175.08
  5. Step 5: Solve for x
    x = 4,165,175.08/2,051.02
  6. Step 6: Final answer
    x = 2,030.78

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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.