Home / 1,957.18-2,701.47-1,294.20

Finding the Fourth Proportional to 1,957.18, 2,701.47 and 1,294.20

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Solution

The fourth proportional to 1,957.18, 2,701.47 and 1,294.20 is: 1,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.18 : 2,701.47 = 1,294.20 : x
  2. Step 2: Convert to fraction form
    1,957.18/2,701.47 = 1,294.20/x
  3. Step 3: Cross multiply
    1,957.18x = 2,701.47 × 1,294.20
  4. Step 4: Simplify right side
    1,957.18x = 3,496,242.47
  5. Step 5: Solve for x
    x = 3,496,242.47/1,957.18
  6. Step 6: Final answer
    x = 1,786.37

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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.