Home / 2,184.24-3,276.60-723.28

Finding the Fourth Proportional to 2,184.24, 3,276.60 and 723.28

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Solution

The fourth proportional to 2,184.24, 3,276.60 and 723.28 is: 1,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.24 : 3,276.60 = 723.28 : x
  2. Step 2: Convert to fraction form
    2,184.24/3,276.60 = 723.28/x
  3. Step 3: Cross multiply
    2,184.24x = 3,276.60 × 723.28
  4. Step 4: Simplify right side
    2,184.24x = 2,369,899.25
  5. Step 5: Solve for x
    x = 2,369,899.25/2,184.24
  6. Step 6: Final answer
    x = 1,085.00

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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.