Home / 2,802.63-3,867.62-1,560.63

Finding the Fourth Proportional to 2,802.63, 3,867.62 and 1,560.63

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Solution

The fourth proportional to 2,802.63, 3,867.62 and 1,560.63 is: 2,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.63 : 3,867.62 = 1,560.63 : x
  2. Step 2: Convert to fraction form
    2,802.63/3,867.62 = 1,560.63/x
  3. Step 3: Cross multiply
    2,802.63x = 3,867.62 × 1,560.63
  4. Step 4: Simplify right side
    2,802.63x = 6,035,908.36
  5. Step 5: Solve for x
    x = 6,035,908.36/2,802.63
  6. Step 6: Final answer
    x = 2,153.66

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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.