Home / 2,715.63-4,071.57-1,072.36

Finding the Fourth Proportional to 2,715.63, 4,071.57 and 1,072.36

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Solution

The fourth proportional to 2,715.63, 4,071.57 and 1,072.36 is: 1,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.63 : 4,071.57 = 1,072.36 : x
  2. Step 2: Convert to fraction form
    2,715.63/4,071.57 = 1,072.36/x
  3. Step 3: Cross multiply
    2,715.63x = 4,071.57 × 1,072.36
  4. Step 4: Simplify right side
    2,715.63x = 4,366,188.81
  5. Step 5: Solve for x
    x = 4,366,188.81/2,715.63
  6. Step 6: Final answer
    x = 1,607.80

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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.