Home / 1,088.39-1,634.21-1,068.95

Finding the Fourth Proportional to 1,088.39, 1,634.21 and 1,068.95

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Solution

The fourth proportional to 1,088.39, 1,634.21 and 1,068.95 is: 1,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.39 : 1,634.21 = 1,068.95 : x
  2. Step 2: Convert to fraction form
    1,088.39/1,634.21 = 1,068.95/x
  3. Step 3: Cross multiply
    1,088.39x = 1,634.21 × 1,068.95
  4. Step 4: Simplify right side
    1,088.39x = 1,746,875.26
  5. Step 5: Solve for x
    x = 1,746,875.26/1,088.39
  6. Step 6: Final answer
    x = 1,605.02

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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.