Home / 3,577.49-4,939.13-2,834.45

Finding the Fourth Proportional to 3,577.49, 4,939.13 and 2,834.45

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Solution

The fourth proportional to 3,577.49, 4,939.13 and 2,834.45 is: 3,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.49 : 4,939.13 = 2,834.45 : x
  2. Step 2: Convert to fraction form
    3,577.49/4,939.13 = 2,834.45/x
  3. Step 3: Cross multiply
    3,577.49x = 4,939.13 × 2,834.45
  4. Step 4: Simplify right side
    3,577.49x = 13,999,702.86
  5. Step 5: Solve for x
    x = 13,999,702.86/3,577.49
  6. Step 6: Final answer
    x = 3,913.28

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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.