Home / 2,318.28-3,477.06-1,085.58

Finding the Fourth Proportional to 2,318.28, 3,477.06 and 1,085.58

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Solution

The fourth proportional to 2,318.28, 3,477.06 and 1,085.58 is: 1,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.28 : 3,477.06 = 1,085.58 : x
  2. Step 2: Convert to fraction form
    2,318.28/3,477.06 = 1,085.58/x
  3. Step 3: Cross multiply
    2,318.28x = 3,477.06 × 1,085.58
  4. Step 4: Simplify right side
    2,318.28x = 3,774,626.79
  5. Step 5: Solve for x
    x = 3,774,626.79/2,318.28
  6. Step 6: Final answer
    x = 1,628.20

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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.