Home / 3,702.18-5,108.99-2,130.27

Finding the Fourth Proportional to 3,702.18, 5,108.99 and 2,130.27

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Solution

The fourth proportional to 3,702.18, 5,108.99 and 2,130.27 is: 2,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.18 : 5,108.99 = 2,130.27 : x
  2. Step 2: Convert to fraction form
    3,702.18/5,108.99 = 2,130.27/x
  3. Step 3: Cross multiply
    3,702.18x = 5,108.99 × 2,130.27
  4. Step 4: Simplify right side
    3,702.18x = 10,883,528.13
  5. Step 5: Solve for x
    x = 10,883,528.13/3,702.18
  6. Step 6: Final answer
    x = 2,939.76

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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.