Home / 2,235.51-3,329.63-2,118.42

Finding the Fourth Proportional to 2,235.51, 3,329.63 and 2,118.42

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Solution

The fourth proportional to 2,235.51, 3,329.63 and 2,118.42 is: 3,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.51 : 3,329.63 = 2,118.42 : x
  2. Step 2: Convert to fraction form
    2,235.51/3,329.63 = 2,118.42/x
  3. Step 3: Cross multiply
    2,235.51x = 3,329.63 × 2,118.42
  4. Step 4: Simplify right side
    2,235.51x = 7,053,544.19
  5. Step 5: Solve for x
    x = 7,053,544.19/2,235.51
  6. Step 6: Final answer
    x = 3,155.23

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.