Home / 1,957.30-2,701.10-1,171.19

Finding the Fourth Proportional to 1,957.30, 2,701.10 and 1,171.19

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Solution

The fourth proportional to 1,957.30, 2,701.10 and 1,171.19 is: 1,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.30 : 2,701.10 = 1,171.19 : x
  2. Step 2: Convert to fraction form
    1,957.30/2,701.10 = 1,171.19/x
  3. Step 3: Cross multiply
    1,957.30x = 2,701.10 × 1,171.19
  4. Step 4: Simplify right side
    1,957.30x = 3,163,495.45
  5. Step 5: Solve for x
    x = 3,163,495.45/1,957.30
  6. Step 6: Final answer
    x = 1,616.26

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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.