Home / 2,184.81-3,277.21-723.57

Finding the Fourth Proportional to 2,184.81, 3,277.21 and 723.57

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Solution

The fourth proportional to 2,184.81, 3,277.21 and 723.57 is: 1,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.81 : 3,277.21 = 723.57 : x
  2. Step 2: Convert to fraction form
    2,184.81/3,277.21 = 723.57/x
  3. Step 3: Cross multiply
    2,184.81x = 3,277.21 × 723.57
  4. Step 4: Simplify right side
    2,184.81x = 2,371,290.84
  5. Step 5: Solve for x
    x = 2,371,290.84/2,184.81
  6. Step 6: Final answer
    x = 1,085.35

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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.