Home / 3,769.95-5,656.44-1,688.52

Finding the Fourth Proportional to 3,769.95, 5,656.44 and 1,688.52

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Solution

The fourth proportional to 3,769.95, 5,656.44 and 1,688.52 is: 2,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.95 : 5,656.44 = 1,688.52 : x
  2. Step 2: Convert to fraction form
    3,769.95/5,656.44 = 1,688.52/x
  3. Step 3: Cross multiply
    3,769.95x = 5,656.44 × 1,688.52
  4. Step 4: Simplify right side
    3,769.95x = 9,551,012.07
  5. Step 5: Solve for x
    x = 9,551,012.07/3,769.95
  6. Step 6: Final answer
    x = 2,533.46

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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.