Home / 3,580.64-5,370.96-1,528.64

Finding the Fourth Proportional to 3,580.64, 5,370.96 and 1,528.64

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Solution

The fourth proportional to 3,580.64, 5,370.96 and 1,528.64 is: 2,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.64 : 5,370.96 = 1,528.64 : x
  2. Step 2: Convert to fraction form
    3,580.64/5,370.96 = 1,528.64/x
  3. Step 3: Cross multiply
    3,580.64x = 5,370.96 × 1,528.64
  4. Step 4: Simplify right side
    3,580.64x = 8,210,264.29
  5. Step 5: Solve for x
    x = 8,210,264.29/3,580.64
  6. Step 6: Final answer
    x = 2,292.96

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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.