Home / 2,021.64-3,028.80-1,154.16

Finding the Fourth Proportional to 2,021.64, 3,028.80 and 1,154.16

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Solution

The fourth proportional to 2,021.64, 3,028.80 and 1,154.16 is: 1,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.64 : 3,028.80 = 1,154.16 : x
  2. Step 2: Convert to fraction form
    2,021.64/3,028.80 = 1,154.16/x
  3. Step 3: Cross multiply
    2,021.64x = 3,028.80 × 1,154.16
  4. Step 4: Simplify right side
    2,021.64x = 3,495,719.81
  5. Step 5: Solve for x
    x = 3,495,719.81/2,021.64
  6. Step 6: Final answer
    x = 1,729.15

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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.