Home / 2,790.55-4,187.72-1,492.93

Finding the Fourth Proportional to 2,790.55, 4,187.72 and 1,492.93

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Solution

The fourth proportional to 2,790.55, 4,187.72 and 1,492.93 is: 2,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.55 : 4,187.72 = 1,492.93 : x
  2. Step 2: Convert to fraction form
    2,790.55/4,187.72 = 1,492.93/x
  3. Step 3: Cross multiply
    2,790.55x = 4,187.72 × 1,492.93
  4. Step 4: Simplify right side
    2,790.55x = 6,251,972.82
  5. Step 5: Solve for x
    x = 6,251,972.82/2,790.55
  6. Step 6: Final answer
    x = 2,240.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.