Home / 1,184.40-1,630.26-834.48

Finding the Fourth Proportional to 1,184.40, 1,630.26 and 834.48

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Solution

The fourth proportional to 1,184.40, 1,630.26 and 834.48 is: 1,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.40 : 1,630.26 = 834.48 : x
  2. Step 2: Convert to fraction form
    1,184.40/1,630.26 = 834.48/x
  3. Step 3: Cross multiply
    1,184.40x = 1,630.26 × 834.48
  4. Step 4: Simplify right side
    1,184.40x = 1,360,419.36
  5. Step 5: Solve for x
    x = 1,360,419.36/1,184.40
  6. Step 6: Final answer
    x = 1,148.61

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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.