Home / 1,816.48-2,506.64-1,153.44

Finding the Fourth Proportional to 1,816.48, 2,506.64 and 1,153.44

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Solution

The fourth proportional to 1,816.48, 2,506.64 and 1,153.44 is: 1,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.48 : 2,506.64 = 1,153.44 : x
  2. Step 2: Convert to fraction form
    1,816.48/2,506.64 = 1,153.44/x
  3. Step 3: Cross multiply
    1,816.48x = 2,506.64 × 1,153.44
  4. Step 4: Simplify right side
    1,816.48x = 2,891,258.84
  5. Step 5: Solve for x
    x = 2,891,258.84/1,816.48
  6. Step 6: Final answer
    x = 1,591.68

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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.