Home / 3,610.40-5,416.70-1,529.32

Finding the Fourth Proportional to 3,610.40, 5,416.70 and 1,529.32

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Solution

The fourth proportional to 3,610.40, 5,416.70 and 1,529.32 is: 2,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.40 : 5,416.70 = 1,529.32 : x
  2. Step 2: Convert to fraction form
    3,610.40/5,416.70 = 1,529.32/x
  3. Step 3: Cross multiply
    3,610.40x = 5,416.70 × 1,529.32
  4. Step 4: Simplify right side
    3,610.40x = 8,283,867.64
  5. Step 5: Solve for x
    x = 8,283,867.64/3,610.40
  6. Step 6: Final answer
    x = 2,294.45

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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.