Home / 2,280.32-3,420.48-1,632.32

Finding the Fourth Proportional to 2,280.32, 3,420.48 and 1,632.32

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Solution

The fourth proportional to 2,280.32, 3,420.48 and 1,632.32 is: 2,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.32 : 3,420.48 = 1,632.32 : x
  2. Step 2: Convert to fraction form
    2,280.32/3,420.48 = 1,632.32/x
  3. Step 3: Cross multiply
    2,280.32x = 3,420.48 × 1,632.32
  4. Step 4: Simplify right side
    2,280.32x = 5,583,317.91
  5. Step 5: Solve for x
    x = 5,583,317.91/2,280.32
  6. Step 6: Final answer
    x = 2,448.48

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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.