Home / 3,203.48-4,392.59-2,887.47

Finding the Fourth Proportional to 3,203.48, 4,392.59 and 2,887.47

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Solution

The fourth proportional to 3,203.48, 4,392.59 and 2,887.47 is: 3,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.48 : 4,392.59 = 2,887.47 : x
  2. Step 2: Convert to fraction form
    3,203.48/4,392.59 = 2,887.47/x
  3. Step 3: Cross multiply
    3,203.48x = 4,392.59 × 2,887.47
  4. Step 4: Simplify right side
    3,203.48x = 12,683,457.41
  5. Step 5: Solve for x
    x = 12,683,457.41/3,203.48
  6. Step 6: Final answer
    x = 3,959.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.