Home / 3,264.86-4,506.81-2,085.70

Finding the Fourth Proportional to 3,264.86, 4,506.81 and 2,085.70

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Solution

The fourth proportional to 3,264.86, 4,506.81 and 2,085.70 is: 2,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.86 : 4,506.81 = 2,085.70 : x
  2. Step 2: Convert to fraction form
    3,264.86/4,506.81 = 2,085.70/x
  3. Step 3: Cross multiply
    3,264.86x = 4,506.81 × 2,085.70
  4. Step 4: Simplify right side
    3,264.86x = 9,399,860.58
  5. Step 5: Solve for x
    x = 9,399,860.58/3,264.86
  6. Step 6: Final answer
    x = 2,879.10

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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.