Home / 2,820.07-4,221.45-2,541.23

Finding the Fourth Proportional to 2,820.07, 4,221.45 and 2,541.23

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Solution

The fourth proportional to 2,820.07, 4,221.45 and 2,541.23 is: 3,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.07 : 4,221.45 = 2,541.23 : x
  2. Step 2: Convert to fraction form
    2,820.07/4,221.45 = 2,541.23/x
  3. Step 3: Cross multiply
    2,820.07x = 4,221.45 × 2,541.23
  4. Step 4: Simplify right side
    2,820.07x = 10,727,675.38
  5. Step 5: Solve for x
    x = 10,727,675.38/2,820.07
  6. Step 6: Final answer
    x = 3,804.05

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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.