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Finding the Fourth Proportional to 2,802.44, 3,867.54 and 1,560.44

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Solution

The fourth proportional to 2,802.44, 3,867.54 and 1,560.44 is: 2,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.44 : 3,867.54 = 1,560.44 : x
  2. Step 2: Convert to fraction form
    2,802.44/3,867.54 = 1,560.44/x
  3. Step 3: Cross multiply
    2,802.44x = 3,867.54 × 1,560.44
  4. Step 4: Simplify right side
    2,802.44x = 6,035,064.12
  5. Step 5: Solve for x
    x = 6,035,064.12/2,802.44
  6. Step 6: Final answer
    x = 2,153.50

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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.