Home / 2,802.37-3,867.36-1,543.45

Finding the Fourth Proportional to 2,802.37, 3,867.36 and 1,543.45

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Solution

The fourth proportional to 2,802.37, 3,867.36 and 1,543.45 is: 2,130.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.37 : 3,867.36 = 1,543.45 : x
  2. Step 2: Convert to fraction form
    2,802.37/3,867.36 = 1,543.45/x
  3. Step 3: Cross multiply
    2,802.37x = 3,867.36 × 1,543.45
  4. Step 4: Simplify right side
    2,802.37x = 5,969,076.79
  5. Step 5: Solve for x
    x = 5,969,076.79/2,802.37
  6. Step 6: Final answer
    x = 2,130.01

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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.