Home / 3,187.50-4,783.14-1,456.26

Finding the Fourth Proportional to 3,187.50, 4,783.14 and 1,456.26

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Solution

The fourth proportional to 3,187.50, 4,783.14 and 1,456.26 is: 2,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.50 : 4,783.14 = 1,456.26 : x
  2. Step 2: Convert to fraction form
    3,187.50/4,783.14 = 1,456.26/x
  3. Step 3: Cross multiply
    3,187.50x = 4,783.14 × 1,456.26
  4. Step 4: Simplify right side
    3,187.50x = 6,965,495.46
  5. Step 5: Solve for x
    x = 6,965,495.46/3,187.50
  6. Step 6: Final answer
    x = 2,185.25

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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.