Home / 2,957.16-4,081.06-1,715.56

Finding the Fourth Proportional to 2,957.16, 4,081.06 and 1,715.56

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Solution

The fourth proportional to 2,957.16, 4,081.06 and 1,715.56 is: 2,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.16 : 4,081.06 = 1,715.56 : x
  2. Step 2: Convert to fraction form
    2,957.16/4,081.06 = 1,715.56/x
  3. Step 3: Cross multiply
    2,957.16x = 4,081.06 × 1,715.56
  4. Step 4: Simplify right side
    2,957.16x = 7,001,303.29
  5. Step 5: Solve for x
    x = 7,001,303.29/2,957.16
  6. Step 6: Final answer
    x = 2,367.58

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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.