Home / 2,896.05-4,343.63-1,140.08

Finding the Fourth Proportional to 2,896.05, 4,343.63 and 1,140.08

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Solution

The fourth proportional to 2,896.05, 4,343.63 and 1,140.08 is: 1,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.05 : 4,343.63 = 1,140.08 : x
  2. Step 2: Convert to fraction form
    2,896.05/4,343.63 = 1,140.08/x
  3. Step 3: Cross multiply
    2,896.05x = 4,343.63 × 1,140.08
  4. Step 4: Simplify right side
    2,896.05x = 4,952,058.27
  5. Step 5: Solve for x
    x = 4,952,058.27/2,896.05
  6. Step 6: Final answer
    x = 1,709.93

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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.