Home / 2,502.74-3,453.55-1,440.23

Finding the Fourth Proportional to 2,502.74, 3,453.55 and 1,440.23

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Solution

The fourth proportional to 2,502.74, 3,453.55 and 1,440.23 is: 1,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.74 : 3,453.55 = 1,440.23 : x
  2. Step 2: Convert to fraction form
    2,502.74/3,453.55 = 1,440.23/x
  3. Step 3: Cross multiply
    2,502.74x = 3,453.55 × 1,440.23
  4. Step 4: Simplify right side
    2,502.74x = 4,973,893.55
  5. Step 5: Solve for x
    x = 4,973,893.55/2,502.74
  6. Step 6: Final answer
    x = 1,987.38

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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.