Home / 2,802.41-3,867.06-1,543.46

Finding the Fourth Proportional to 2,802.41, 3,867.06 and 1,543.46

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Solution

The fourth proportional to 2,802.41, 3,867.06 and 1,543.46 is: 2,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.41 : 3,867.06 = 1,543.46 : x
  2. Step 2: Convert to fraction form
    2,802.41/3,867.06 = 1,543.46/x
  3. Step 3: Cross multiply
    2,802.41x = 3,867.06 × 1,543.46
  4. Step 4: Simplify right side
    2,802.41x = 5,968,652.43
  5. Step 5: Solve for x
    x = 5,968,652.43/2,802.41
  6. Step 6: Final answer
    x = 2,129.83

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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.