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Finding the Fourth Proportional to 1,993.07, 2,752.48 and 1,494.92

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Solution

The fourth proportional to 1,993.07, 2,752.48 and 1,494.92 is: 2,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.07 : 2,752.48 = 1,494.92 : x
  2. Step 2: Convert to fraction form
    1,993.07/2,752.48 = 1,494.92/x
  3. Step 3: Cross multiply
    1,993.07x = 2,752.48 × 1,494.92
  4. Step 4: Simplify right side
    1,993.07x = 4,114,746.15
  5. Step 5: Solve for x
    x = 4,114,746.15/1,993.07
  6. Step 6: Final answer
    x = 2,064.52

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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.