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Finding the Fourth Proportional to 2,649.50, 3,652.99 and 1,703.63

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Solution

The fourth proportional to 2,649.50, 3,652.99 and 1,703.63 is: 2,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.50 : 3,652.99 = 1,703.63 : x
  2. Step 2: Convert to fraction form
    2,649.50/3,652.99 = 1,703.63/x
  3. Step 3: Cross multiply
    2,649.50x = 3,652.99 × 1,703.63
  4. Step 4: Simplify right side
    2,649.50x = 6,223,343.35
  5. Step 5: Solve for x
    x = 6,223,343.35/2,649.50
  6. Step 6: Final answer
    x = 2,348.87

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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.