Home / 3,702.61-5,109.87-2,210.59

Finding the Fourth Proportional to 3,702.61, 5,109.87 and 2,210.59

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Solution

The fourth proportional to 3,702.61, 5,109.87 and 2,210.59 is: 3,050.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.61 : 5,109.87 = 2,210.59 : x
  2. Step 2: Convert to fraction form
    3,702.61/5,109.87 = 2,210.59/x
  3. Step 3: Cross multiply
    3,702.61x = 5,109.87 × 2,210.59
  4. Step 4: Simplify right side
    3,702.61x = 11,295,827.52
  5. Step 5: Solve for x
    x = 11,295,827.52/3,702.61
  6. Step 6: Final answer
    x = 3,050.77

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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.