Home / 3,702.85-5,107.05-2,210.45

Finding the Fourth Proportional to 3,702.85, 5,107.05 and 2,210.45

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Solution

The fourth proportional to 3,702.85, 5,107.05 and 2,210.45 is: 3,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.85 : 5,107.05 = 2,210.45 : x
  2. Step 2: Convert to fraction form
    3,702.85/5,107.05 = 2,210.45/x
  3. Step 3: Cross multiply
    3,702.85x = 5,107.05 × 2,210.45
  4. Step 4: Simplify right side
    3,702.85x = 11,288,853.14
  5. Step 5: Solve for x
    x = 11,288,853.14/3,702.85
  6. Step 6: Final answer
    x = 3,048.70

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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.