Home / 2,531.39-3,798.53-2,021.63

Finding the Fourth Proportional to 2,531.39, 3,798.53 and 2,021.63

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Solution

The fourth proportional to 2,531.39, 3,798.53 and 2,021.63 is: 3,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.39 : 3,798.53 = 2,021.63 : x
  2. Step 2: Convert to fraction form
    2,531.39/3,798.53 = 2,021.63/x
  3. Step 3: Cross multiply
    2,531.39x = 3,798.53 × 2,021.63
  4. Step 4: Simplify right side
    2,531.39x = 7,679,222.20
  5. Step 5: Solve for x
    x = 7,679,222.20/2,531.39
  6. Step 6: Final answer
    x = 3,033.60

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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.