Home / 2,816.16-3,887.56-1,873.62

Finding the Fourth Proportional to 2,816.16, 3,887.56 and 1,873.62

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Solution

The fourth proportional to 2,816.16, 3,887.56 and 1,873.62 is: 2,586.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.16 : 3,887.56 = 1,873.62 : x
  2. Step 2: Convert to fraction form
    2,816.16/3,887.56 = 1,873.62/x
  3. Step 3: Cross multiply
    2,816.16x = 3,887.56 × 1,873.62
  4. Step 4: Simplify right side
    2,816.16x = 7,283,810.17
  5. Step 5: Solve for x
    x = 7,283,810.17/2,816.16
  6. Step 6: Final answer
    x = 2,586.43

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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.