Home / 3,355.76-5,033.64-1,047.28

Finding the Fourth Proportional to 3,355.76, 5,033.64 and 1,047.28

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Solution

The fourth proportional to 3,355.76, 5,033.64 and 1,047.28 is: 1,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.76 : 5,033.64 = 1,047.28 : x
  2. Step 2: Convert to fraction form
    3,355.76/5,033.64 = 1,047.28/x
  3. Step 3: Cross multiply
    3,355.76x = 5,033.64 × 1,047.28
  4. Step 4: Simplify right side
    3,355.76x = 5,271,630.50
  5. Step 5: Solve for x
    x = 5,271,630.50/3,355.76
  6. Step 6: Final answer
    x = 1,570.92

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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.