Home / 3,345.88-4,615.99-2,150.69

Finding the Fourth Proportional to 3,345.88, 4,615.99 and 2,150.69

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Solution

The fourth proportional to 3,345.88, 4,615.99 and 2,150.69 is: 2,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.88 : 4,615.99 = 2,150.69 : x
  2. Step 2: Convert to fraction form
    3,345.88/4,615.99 = 2,150.69/x
  3. Step 3: Cross multiply
    3,345.88x = 4,615.99 × 2,150.69
  4. Step 4: Simplify right side
    3,345.88x = 9,927,561.04
  5. Step 5: Solve for x
    x = 9,927,561.04/3,345.88
  6. Step 6: Final answer
    x = 2,967.10

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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.