Home / 2,577.42-3,555.77-1,580.99

Finding the Fourth Proportional to 2,577.42, 3,555.77 and 1,580.99

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Solution

The fourth proportional to 2,577.42, 3,555.77 and 1,580.99 is: 2,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.42 : 3,555.77 = 1,580.99 : x
  2. Step 2: Convert to fraction form
    2,577.42/3,555.77 = 1,580.99/x
  3. Step 3: Cross multiply
    2,577.42x = 3,555.77 × 1,580.99
  4. Step 4: Simplify right side
    2,577.42x = 5,621,611.13
  5. Step 5: Solve for x
    x = 5,621,611.13/2,577.42
  6. Step 6: Final answer
    x = 2,181.10

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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.