Home / 1,398.06-2,095.88-1,088.24

Finding the Fourth Proportional to 1,398.06, 2,095.88 and 1,088.24

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Solution

The fourth proportional to 1,398.06, 2,095.88 and 1,088.24 is: 1,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398.06 : 2,095.88 = 1,088.24 : x
  2. Step 2: Convert to fraction form
    1,398.06/2,095.88 = 1,088.24/x
  3. Step 3: Cross multiply
    1,398.06x = 2,095.88 × 1,088.24
  4. Step 4: Simplify right side
    1,398.06x = 2,280,804.53
  5. Step 5: Solve for x
    x = 2,280,804.53/1,398.06
  6. Step 6: Final answer
    x = 1,631.41

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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.