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Finding the Fourth Proportional to 2,461.74, 3,397.09 and 1,342.63

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Solution

The fourth proportional to 2,461.74, 3,397.09 and 1,342.63 is: 1,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.74 : 3,397.09 = 1,342.63 : x
  2. Step 2: Convert to fraction form
    2,461.74/3,397.09 = 1,342.63/x
  3. Step 3: Cross multiply
    2,461.74x = 3,397.09 × 1,342.63
  4. Step 4: Simplify right side
    2,461.74x = 4,561,019.25
  5. Step 5: Solve for x
    x = 4,561,019.25/2,461.74
  6. Step 6: Final answer
    x = 1,852.76

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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.