Home / 3,317.81-4,577.04-2,139.26

Finding the Fourth Proportional to 3,317.81, 4,577.04 and 2,139.26

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Solution

The fourth proportional to 3,317.81, 4,577.04 and 2,139.26 is: 2,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.81 : 4,577.04 = 2,139.26 : x
  2. Step 2: Convert to fraction form
    3,317.81/4,577.04 = 2,139.26/x
  3. Step 3: Cross multiply
    3,317.81x = 4,577.04 × 2,139.26
  4. Step 4: Simplify right side
    3,317.81x = 9,791,455.71
  5. Step 5: Solve for x
    x = 9,791,455.71/3,317.81
  6. Step 6: Final answer
    x = 2,951.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.