Home / 3,360.32-5,040.96-1,052.16

Finding the Fourth Proportional to 3,360.32, 5,040.96 and 1,052.16

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Solution

The fourth proportional to 3,360.32, 5,040.96 and 1,052.16 is: 1,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.32 : 5,040.96 = 1,052.16 : x
  2. Step 2: Convert to fraction form
    3,360.32/5,040.96 = 1,052.16/x
  3. Step 3: Cross multiply
    3,360.32x = 5,040.96 × 1,052.16
  4. Step 4: Simplify right side
    3,360.32x = 5,303,896.47
  5. Step 5: Solve for x
    x = 5,303,896.47/3,360.32
  6. Step 6: Final answer
    x = 1,578.39

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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.