Home / 3,257.36-4,911.56-2,985.20

Finding the Fourth Proportional to 3,257.36, 4,911.56 and 2,985.20

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Solution

The fourth proportional to 3,257.36, 4,911.56 and 2,985.20 is: 4,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.36 : 4,911.56 = 2,985.20 : x
  2. Step 2: Convert to fraction form
    3,257.36/4,911.56 = 2,985.20/x
  3. Step 3: Cross multiply
    3,257.36x = 4,911.56 × 2,985.20
  4. Step 4: Simplify right side
    3,257.36x = 14,661,988.91
  5. Step 5: Solve for x
    x = 14,661,988.91/3,257.36
  6. Step 6: Final answer
    x = 4,501.19

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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.