Home / 2,621.13-3,618.98-1,836.24

Finding the Fourth Proportional to 2,621.13, 3,618.98 and 1,836.24

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Solution

The fourth proportional to 2,621.13, 3,618.98 and 1,836.24 is: 2,535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.13 : 3,618.98 = 1,836.24 : x
  2. Step 2: Convert to fraction form
    2,621.13/3,618.98 = 1,836.24/x
  3. Step 3: Cross multiply
    2,621.13x = 3,618.98 × 1,836.24
  4. Step 4: Simplify right side
    2,621.13x = 6,645,315.84
  5. Step 5: Solve for x
    x = 6,645,315.84/2,621.13
  6. Step 6: Final answer
    x = 2,535.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.