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Finding the Fourth Proportional to 1,773.32, 2,670.26 and 1,314.34

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Solution

The fourth proportional to 1,773.32, 2,670.26 and 1,314.34 is: 1,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.32 : 2,670.26 = 1,314.34 : x
  2. Step 2: Convert to fraction form
    1,773.32/2,670.26 = 1,314.34/x
  3. Step 3: Cross multiply
    1,773.32x = 2,670.26 × 1,314.34
  4. Step 4: Simplify right side
    1,773.32x = 3,509,616.28
  5. Step 5: Solve for x
    x = 3,509,616.28/1,773.32
  6. Step 6: Final answer
    x = 1,979.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.