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Finding the Fourth Proportional to 2,425, 3,347.03 and 1,540.63

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Solution

The fourth proportional to 2,425, 3,347.03 and 1,540.63 is: 2,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425 : 3,347.03 = 1,540.63 : x
  2. Step 2: Convert to fraction form
    2,425/3,347.03 = 1,540.63/x
  3. Step 3: Cross multiply
    2,425x = 3,347.03 × 1,540.63
  4. Step 4: Simplify right side
    2,425x = 5,156,534.83
  5. Step 5: Solve for x
    x = 5,156,534.83/2,425
  6. Step 6: Final answer
    x = 2,126.41

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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.