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Finding the Fourth Proportional to 1,556.70, 2,335.02 and 1,046.94

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Solution

The fourth proportional to 1,556.70, 2,335.02 and 1,046.94 is: 1,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.70 : 2,335.02 = 1,046.94 : x
  2. Step 2: Convert to fraction form
    1,556.70/2,335.02 = 1,046.94/x
  3. Step 3: Cross multiply
    1,556.70x = 2,335.02 × 1,046.94
  4. Step 4: Simplify right side
    1,556.70x = 2,444,625.84
  5. Step 5: Solve for x
    x = 2,444,625.84/1,556.70
  6. Step 6: Final answer
    x = 1,570.39

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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.