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Finding the Fourth Proportional to 1,957.51, 2,701.50 and 1,118.34

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Solution

The fourth proportional to 1,957.51, 2,701.50 and 1,118.34 is: 1,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.51 : 2,701.50 = 1,118.34 : x
  2. Step 2: Convert to fraction form
    1,957.51/2,701.50 = 1,118.34/x
  3. Step 3: Cross multiply
    1,957.51x = 2,701.50 × 1,118.34
  4. Step 4: Simplify right side
    1,957.51x = 3,021,195.51
  5. Step 5: Solve for x
    x = 3,021,195.51/1,957.51
  6. Step 6: Final answer
    x = 1,543.39

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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.