Home / 2,961.36-4,085.40-1,702.13

Finding the Fourth Proportional to 2,961.36, 4,085.40 and 1,702.13

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Solution

The fourth proportional to 2,961.36, 4,085.40 and 1,702.13 is: 2,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.36 : 4,085.40 = 1,702.13 : x
  2. Step 2: Convert to fraction form
    2,961.36/4,085.40 = 1,702.13/x
  3. Step 3: Cross multiply
    2,961.36x = 4,085.40 × 1,702.13
  4. Step 4: Simplify right side
    2,961.36x = 6,953,861.48
  5. Step 5: Solve for x
    x = 6,953,861.48/2,961.36
  6. Step 6: Final answer
    x = 2,348.20

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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.