Home / 3,559.08-5,358.36-2,783.28

Finding the Fourth Proportional to 3,559.08, 5,358.36 and 2,783.28

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Solution

The fourth proportional to 3,559.08, 5,358.36 and 2,783.28 is: 4,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.08 : 5,358.36 = 2,783.28 : x
  2. Step 2: Convert to fraction form
    3,559.08/5,358.36 = 2,783.28/x
  3. Step 3: Cross multiply
    3,559.08x = 5,358.36 × 2,783.28
  4. Step 4: Simplify right side
    3,559.08x = 14,913,816.22
  5. Step 5: Solve for x
    x = 14,913,816.22/3,559.08
  6. Step 6: Final answer
    x = 4,190.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.