Home / 3,102.64-4,281.62-1,705.36

Finding the Fourth Proportional to 3,102.64, 4,281.62 and 1,705.36

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Solution

The fourth proportional to 3,102.64, 4,281.62 and 1,705.36 is: 2,353.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.64 : 4,281.62 = 1,705.36 : x
  2. Step 2: Convert to fraction form
    3,102.64/4,281.62 = 1,705.36/x
  3. Step 3: Cross multiply
    3,102.64x = 4,281.62 × 1,705.36
  4. Step 4: Simplify right side
    3,102.64x = 7,301,703.48
  5. Step 5: Solve for x
    x = 7,301,703.48/3,102.64
  6. Step 6: Final answer
    x = 2,353.38

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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.