Home / 4,085.81-5,639.04-2,317.04

Finding the Fourth Proportional to 4,085.81, 5,639.04 and 2,317.04

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Solution

The fourth proportional to 4,085.81, 5,639.04 and 2,317.04 is: 3,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.81 : 5,639.04 = 2,317.04 : x
  2. Step 2: Convert to fraction form
    4,085.81/5,639.04 = 2,317.04/x
  3. Step 3: Cross multiply
    4,085.81x = 5,639.04 × 2,317.04
  4. Step 4: Simplify right side
    4,085.81x = 13,065,853.05
  5. Step 5: Solve for x
    x = 13,065,853.05/4,085.81
  6. Step 6: Final answer
    x = 3,197.87

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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.