Home / 2,960.65-4,085.43-1,702.21

Finding the Fourth Proportional to 2,960.65, 4,085.43 and 1,702.21

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Solution

The fourth proportional to 2,960.65, 4,085.43 and 1,702.21 is: 2,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.65 : 4,085.43 = 1,702.21 : x
  2. Step 2: Convert to fraction form
    2,960.65/4,085.43 = 1,702.21/x
  3. Step 3: Cross multiply
    2,960.65x = 4,085.43 × 1,702.21
  4. Step 4: Simplify right side
    2,960.65x = 6,954,259.80
  5. Step 5: Solve for x
    x = 6,954,259.80/2,960.65
  6. Step 6: Final answer
    x = 2,348.90

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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.