Home / 2,387.96-3,580.02-1,020.92

Finding the Fourth Proportional to 2,387.96, 3,580.02 and 1,020.92

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Solution

The fourth proportional to 2,387.96, 3,580.02 and 1,020.92 is: 1,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.96 : 3,580.02 = 1,020.92 : x
  2. Step 2: Convert to fraction form
    2,387.96/3,580.02 = 1,020.92/x
  3. Step 3: Cross multiply
    2,387.96x = 3,580.02 × 1,020.92
  4. Step 4: Simplify right side
    2,387.96x = 3,654,914.02
  5. Step 5: Solve for x
    x = 3,654,914.02/2,387.96
  6. Step 6: Final answer
    x = 1,530.56

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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.