Home / 3,261.02-4,890.47-1,069.22

Finding the Fourth Proportional to 3,261.02, 4,890.47 and 1,069.22

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Solution

The fourth proportional to 3,261.02, 4,890.47 and 1,069.22 is: 1,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.02 : 4,890.47 = 1,069.22 : x
  2. Step 2: Convert to fraction form
    3,261.02/4,890.47 = 1,069.22/x
  3. Step 3: Cross multiply
    3,261.02x = 4,890.47 × 1,069.22
  4. Step 4: Simplify right side
    3,261.02x = 5,228,995.21
  5. Step 5: Solve for x
    x = 5,228,995.21/3,261.02
  6. Step 6: Final answer
    x = 1,603.49

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Double scale
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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.