Home / 3,405.51-5,108.27-2,307.15

Finding the Fourth Proportional to 3,405.51, 5,108.27 and 2,307.15

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Solution

The fourth proportional to 3,405.51, 5,108.27 and 2,307.15 is: 3,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.51 : 5,108.27 = 2,307.15 : x
  2. Step 2: Convert to fraction form
    3,405.51/5,108.27 = 2,307.15/x
  3. Step 3: Cross multiply
    3,405.51x = 5,108.27 × 2,307.15
  4. Step 4: Simplify right side
    3,405.51x = 11,785,533.59
  5. Step 5: Solve for x
    x = 11,785,533.59/3,405.51
  6. Step 6: Final answer
    x = 3,460.73

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.