Home / 2,051.72-3,077.58-1,025.48

Finding the Fourth Proportional to 2,051.72, 3,077.58 and 1,025.48

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Solution

The fourth proportional to 2,051.72, 3,077.58 and 1,025.48 is: 1,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.72 : 3,077.58 = 1,025.48 : x
  2. Step 2: Convert to fraction form
    2,051.72/3,077.58 = 1,025.48/x
  3. Step 3: Cross multiply
    2,051.72x = 3,077.58 × 1,025.48
  4. Step 4: Simplify right side
    2,051.72x = 3,155,996.74
  5. Step 5: Solve for x
    x = 3,155,996.74/2,051.72
  6. Step 6: Final answer
    x = 1,538.22

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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.