Home / 2,756.79-4,135.59-1,715.94

Finding the Fourth Proportional to 2,756.79, 4,135.59 and 1,715.94

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Solution

The fourth proportional to 2,756.79, 4,135.59 and 1,715.94 is: 2,574.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.79 : 4,135.59 = 1,715.94 : x
  2. Step 2: Convert to fraction form
    2,756.79/4,135.59 = 1,715.94/x
  3. Step 3: Cross multiply
    2,756.79x = 4,135.59 × 1,715.94
  4. Step 4: Simplify right side
    2,756.79x = 7,096,424.30
  5. Step 5: Solve for x
    x = 7,096,424.30/2,756.79
  6. Step 6: Final answer
    x = 2,574.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.