Home / 3,203.51-4,420.98-2,085.39

Finding the Fourth Proportional to 3,203.51, 4,420.98 and 2,085.39

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Solution

The fourth proportional to 3,203.51, 4,420.98 and 2,085.39 is: 2,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.51 : 4,420.98 = 2,085.39 : x
  2. Step 2: Convert to fraction form
    3,203.51/4,420.98 = 2,085.39/x
  3. Step 3: Cross multiply
    3,203.51x = 4,420.98 × 2,085.39
  4. Step 4: Simplify right side
    3,203.51x = 9,219,467.48
  5. Step 5: Solve for x
    x = 9,219,467.48/3,203.51
  6. Step 6: Final answer
    x = 2,877.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.