Home / 2,184.16-3,015.22-1,489.18

Finding the Fourth Proportional to 2,184.16, 3,015.22 and 1,489.18

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Solution

The fourth proportional to 2,184.16, 3,015.22 and 1,489.18 is: 2,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.16 : 3,015.22 = 1,489.18 : x
  2. Step 2: Convert to fraction form
    2,184.16/3,015.22 = 1,489.18/x
  3. Step 3: Cross multiply
    2,184.16x = 3,015.22 × 1,489.18
  4. Step 4: Simplify right side
    2,184.16x = 4,490,205.32
  5. Step 5: Solve for x
    x = 4,490,205.32/2,184.16
  6. Step 6: Final answer
    x = 2,055.80

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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.