Home / 2,840.17-3,907.53-2,502.55

Finding the Fourth Proportional to 2,840.17, 3,907.53 and 2,502.55

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Solution

The fourth proportional to 2,840.17, 3,907.53 and 2,502.55 is: 3,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.17 : 3,907.53 = 2,502.55 : x
  2. Step 2: Convert to fraction form
    2,840.17/3,907.53 = 2,502.55/x
  3. Step 3: Cross multiply
    2,840.17x = 3,907.53 × 2,502.55
  4. Step 4: Simplify right side
    2,840.17x = 9,778,789.20
  5. Step 5: Solve for x
    x = 9,778,789.20/2,840.17
  6. Step 6: Final answer
    x = 3,443.03

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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.