Home / 3,618.53-5,427.23-1,397.04

Finding the Fourth Proportional to 3,618.53, 5,427.23 and 1,397.04

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Solution

The fourth proportional to 3,618.53, 5,427.23 and 1,397.04 is: 2,095.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.53 : 5,427.23 = 1,397.04 : x
  2. Step 2: Convert to fraction form
    3,618.53/5,427.23 = 1,397.04/x
  3. Step 3: Cross multiply
    3,618.53x = 5,427.23 × 1,397.04
  4. Step 4: Simplify right side
    3,618.53x = 7,582,081.24
  5. Step 5: Solve for x
    x = 7,582,081.24/3,618.53
  6. Step 6: Final answer
    x = 2,095.35

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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.