Home / 2,557.75-3,520.99-1,893.35

Finding the Fourth Proportional to 2,557.75, 3,520.99 and 1,893.35

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Solution

The fourth proportional to 2,557.75, 3,520.99 and 1,893.35 is: 2,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.75 : 3,520.99 = 1,893.35 : x
  2. Step 2: Convert to fraction form
    2,557.75/3,520.99 = 1,893.35/x
  3. Step 3: Cross multiply
    2,557.75x = 3,520.99 × 1,893.35
  4. Step 4: Simplify right side
    2,557.75x = 6,666,466.42
  5. Step 5: Solve for x
    x = 6,666,466.42/2,557.75
  6. Step 6: Final answer
    x = 2,606.38

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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.