Home / 2,645.34-3,648.91-1,702.36

Finding the Fourth Proportional to 2,645.34, 3,648.91 and 1,702.36

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Solution

The fourth proportional to 2,645.34, 3,648.91 and 1,702.36 is: 2,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.34 : 3,648.91 = 1,702.36 : x
  2. Step 2: Convert to fraction form
    2,645.34/3,648.91 = 1,702.36/x
  3. Step 3: Cross multiply
    2,645.34x = 3,648.91 × 1,702.36
  4. Step 4: Simplify right side
    2,645.34x = 6,211,735.93
  5. Step 5: Solve for x
    x = 6,211,735.93/2,645.34
  6. Step 6: Final answer
    x = 2,348.18

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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.