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Finding the Fourth Proportional to 2,302.51, 3,453.42 and 841.32

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Solution

The fourth proportional to 2,302.51, 3,453.42 and 841.32 is: 1,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.51 : 3,453.42 = 841.32 : x
  2. Step 2: Convert to fraction form
    2,302.51/3,453.42 = 841.32/x
  3. Step 3: Cross multiply
    2,302.51x = 3,453.42 × 841.32
  4. Step 4: Simplify right side
    2,302.51x = 2,905,447.86
  5. Step 5: Solve for x
    x = 2,905,447.86/2,302.51
  6. Step 6: Final answer
    x = 1,261.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.