Home / 3,710.78-5,120.74-2,032.26

Finding the Fourth Proportional to 3,710.78, 5,120.74 and 2,032.26

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Solution

The fourth proportional to 3,710.78, 5,120.74 and 2,032.26 is: 2,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.78 : 5,120.74 = 2,032.26 : x
  2. Step 2: Convert to fraction form
    3,710.78/5,120.74 = 2,032.26/x
  3. Step 3: Cross multiply
    3,710.78x = 5,120.74 × 2,032.26
  4. Step 4: Simplify right side
    3,710.78x = 10,406,675.07
  5. Step 5: Solve for x
    x = 10,406,675.07/3,710.78
  6. Step 6: Final answer
    x = 2,804.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.