Home / 1,957.11-2,700.66-1,117.69

Finding the Fourth Proportional to 1,957.11, 2,700.66 and 1,117.69

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Solution

The fourth proportional to 1,957.11, 2,700.66 and 1,117.69 is: 1,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.11 : 2,700.66 = 1,117.69 : x
  2. Step 2: Convert to fraction form
    1,957.11/2,700.66 = 1,117.69/x
  3. Step 3: Cross multiply
    1,957.11x = 2,700.66 × 1,117.69
  4. Step 4: Simplify right side
    1,957.11x = 3,018,501.84
  5. Step 5: Solve for x
    x = 3,018,501.84/1,957.11
  6. Step 6: Final answer
    x = 1,542.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.