Home / 1,184.19-1,634.20-660.26

Finding the Fourth Proportional to 1,184.19, 1,634.20 and 660.26

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Solution

The fourth proportional to 1,184.19, 1,634.20 and 660.26 is: 911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.19 : 1,634.20 = 660.26 : x
  2. Step 2: Convert to fraction form
    1,184.19/1,634.20 = 660.26/x
  3. Step 3: Cross multiply
    1,184.19x = 1,634.20 × 660.26
  4. Step 4: Simplify right side
    1,184.19x = 1,078,989.51
  5. Step 5: Solve for x
    x = 1,078,989.51/1,184.19
  6. Step 6: Final answer
    x = 911.16

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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.