Home / 1,088.19-1,622.63-958.68

Finding the Fourth Proportional to 1,088.19, 1,622.63 and 958.68

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Solution

The fourth proportional to 1,088.19, 1,622.63 and 958.68 is: 1,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.19 : 1,622.63 = 958.68 : x
  2. Step 2: Convert to fraction form
    1,088.19/1,622.63 = 958.68/x
  3. Step 3: Cross multiply
    1,088.19x = 1,622.63 × 958.68
  4. Step 4: Simplify right side
    1,088.19x = 1,555,585.33
  5. Step 5: Solve for x
    x = 1,555,585.33/1,088.19
  6. Step 6: Final answer
    x = 1,429.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.