Home / 2,184.66-3,015.91-1,489.68

Finding the Fourth Proportional to 2,184.66, 3,015.91 and 1,489.68

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Solution

The fourth proportional to 2,184.66, 3,015.91 and 1,489.68 is: 2,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.66 : 3,015.91 = 1,489.68 : x
  2. Step 2: Convert to fraction form
    2,184.66/3,015.91 = 1,489.68/x
  3. Step 3: Cross multiply
    2,184.66x = 3,015.91 × 1,489.68
  4. Step 4: Simplify right side
    2,184.66x = 4,492,740.81
  5. Step 5: Solve for x
    x = 4,492,740.81/2,184.66
  6. Step 6: Final answer
    x = 2,056.49

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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.