Home / 1,809.33-2,726.15-1,636.19

Finding the Fourth Proportional to 1,809.33, 2,726.15 and 1,636.19

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Solution

The fourth proportional to 1,809.33, 2,726.15 and 1,636.19 is: 2,465.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.33 : 2,726.15 = 1,636.19 : x
  2. Step 2: Convert to fraction form
    1,809.33/2,726.15 = 1,636.19/x
  3. Step 3: Cross multiply
    1,809.33x = 2,726.15 × 1,636.19
  4. Step 4: Simplify right side
    1,809.33x = 4,460,496.98
  5. Step 5: Solve for x
    x = 4,460,496.98/1,809.33
  6. Step 6: Final answer
    x = 2,465.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.