Home / 2,577.15-3,555.09-1,569.17

Finding the Fourth Proportional to 2,577.15, 3,555.09 and 1,569.17

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Solution

The fourth proportional to 2,577.15, 3,555.09 and 1,569.17 is: 2,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.15 : 3,555.09 = 1,569.17 : x
  2. Step 2: Convert to fraction form
    2,577.15/3,555.09 = 1,569.17/x
  3. Step 3: Cross multiply
    2,577.15x = 3,555.09 × 1,569.17
  4. Step 4: Simplify right side
    2,577.15x = 5,578,522.80
  5. Step 5: Solve for x
    x = 5,578,522.80/2,577.15
  6. Step 6: Final answer
    x = 2,164.61

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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.