Home / 2,051.15-2,830.80-1,255.01

Finding the Fourth Proportional to 2,051.15, 2,830.80 and 1,255.01

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Solution

The fourth proportional to 2,051.15, 2,830.80 and 1,255.01 is: 1,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.15 : 2,830.80 = 1,255.01 : x
  2. Step 2: Convert to fraction form
    2,051.15/2,830.80 = 1,255.01/x
  3. Step 3: Cross multiply
    2,051.15x = 2,830.80 × 1,255.01
  4. Step 4: Simplify right side
    2,051.15x = 3,552,675.08
  5. Step 5: Solve for x
    x = 3,552,675.08/2,051.15
  6. Step 6: Final answer
    x = 1,732.04

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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.