Home / 1,204.18-1,661.85-700.19

Finding the Fourth Proportional to 1,204.18, 1,661.85 and 700.19

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Solution

The fourth proportional to 1,204.18, 1,661.85 and 700.19 is: 966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.18 : 1,661.85 = 700.19 : x
  2. Step 2: Convert to fraction form
    1,204.18/1,661.85 = 700.19/x
  3. Step 3: Cross multiply
    1,204.18x = 1,661.85 × 700.19
  4. Step 4: Simplify right side
    1,204.18x = 1,163,615.72
  5. Step 5: Solve for x
    x = 1,163,615.72/1,204.18
  6. Step 6: Final answer
    x = 966.31

Related Problems

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Half scale
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Double scale
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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.