Home / 1,644.08-2,269.26-1,015.15

Finding the Fourth Proportional to 1,644.08, 2,269.26 and 1,015.15

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Solution

The fourth proportional to 1,644.08, 2,269.26 and 1,015.15 is: 1,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.08 : 2,269.26 = 1,015.15 : x
  2. Step 2: Convert to fraction form
    1,644.08/2,269.26 = 1,015.15/x
  3. Step 3: Cross multiply
    1,644.08x = 2,269.26 × 1,015.15
  4. Step 4: Simplify right side
    1,644.08x = 2,303,639.29
  5. Step 5: Solve for x
    x = 2,303,639.29/1,644.08
  6. Step 6: Final answer
    x = 1,401.17

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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.