Home / 3,339.81-5,006.75-1,147.01

Finding the Fourth Proportional to 3,339.81, 5,006.75 and 1,147.01

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Solution

The fourth proportional to 3,339.81, 5,006.75 and 1,147.01 is: 1,719.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.81 : 5,006.75 = 1,147.01 : x
  2. Step 2: Convert to fraction form
    3,339.81/5,006.75 = 1,147.01/x
  3. Step 3: Cross multiply
    3,339.81x = 5,006.75 × 1,147.01
  4. Step 4: Simplify right side
    3,339.81x = 5,742,761.55
  5. Step 5: Solve for x
    x = 5,742,761.55/3,339.81
  6. Step 6: Final answer
    x = 1,719.49

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1.5x scale

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.