Home / 1,618.48-2,233.54-1,147.22

Finding the Fourth Proportional to 1,618.48, 2,233.54 and 1,147.22

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Solution

The fourth proportional to 1,618.48, 2,233.54 and 1,147.22 is: 1,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.48 : 2,233.54 = 1,147.22 : x
  2. Step 2: Convert to fraction form
    1,618.48/2,233.54 = 1,147.22/x
  3. Step 3: Cross multiply
    1,618.48x = 2,233.54 × 1,147.22
  4. Step 4: Simplify right side
    1,618.48x = 2,562,361.76
  5. Step 5: Solve for x
    x = 2,562,361.76/1,618.48
  6. Step 6: Final answer
    x = 1,583.19

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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.