Home / 2,645.25-3,939.93-2,506.47

Finding the Fourth Proportional to 2,645.25, 3,939.93 and 2,506.47

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Solution

The fourth proportional to 2,645.25, 3,939.93 and 2,506.47 is: 3,733.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.25 : 3,939.93 = 2,506.47 : x
  2. Step 2: Convert to fraction form
    2,645.25/3,939.93 = 2,506.47/x
  3. Step 3: Cross multiply
    2,645.25x = 3,939.93 × 2,506.47
  4. Step 4: Simplify right side
    2,645.25x = 9,875,316.35
  5. Step 5: Solve for x
    x = 9,875,316.35/2,645.25
  6. Step 6: Final answer
    x = 3,733.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.