Home / 1,817.12-2,723.64-1,085.16

Finding the Fourth Proportional to 1,817.12, 2,723.64 and 1,085.16

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Solution

The fourth proportional to 1,817.12, 2,723.64 and 1,085.16 is: 1,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.12 : 2,723.64 = 1,085.16 : x
  2. Step 2: Convert to fraction form
    1,817.12/2,723.64 = 1,085.16/x
  3. Step 3: Cross multiply
    1,817.12x = 2,723.64 × 1,085.16
  4. Step 4: Simplify right side
    1,817.12x = 2,955,585.18
  5. Step 5: Solve for x
    x = 2,955,585.18/1,817.12
  6. Step 6: Final answer
    x = 1,626.52

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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.