Home / 2,017.08-3,025.28-921.19

Finding the Fourth Proportional to 2,017.08, 3,025.28 and 921.19

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Solution

The fourth proportional to 2,017.08, 3,025.28 and 921.19 is: 1,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.08 : 3,025.28 = 921.19 : x
  2. Step 2: Convert to fraction form
    2,017.08/3,025.28 = 921.19/x
  3. Step 3: Cross multiply
    2,017.08x = 3,025.28 × 921.19
  4. Step 4: Simplify right side
    2,017.08x = 2,786,837.95
  5. Step 5: Solve for x
    x = 2,786,837.95/2,017.08
  6. Step 6: Final answer
    x = 1,381.62

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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.