Home / 1,941.95-2,680.47-1,842.74

Finding the Fourth Proportional to 1,941.95, 2,680.47 and 1,842.74

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Solution

The fourth proportional to 1,941.95, 2,680.47 and 1,842.74 is: 2,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.95 : 2,680.47 = 1,842.74 : x
  2. Step 2: Convert to fraction form
    1,941.95/2,680.47 = 1,842.74/x
  3. Step 3: Cross multiply
    1,941.95x = 2,680.47 × 1,842.74
  4. Step 4: Simplify right side
    1,941.95x = 4,939,415.99
  5. Step 5: Solve for x
    x = 4,939,415.99/1,941.95
  6. Step 6: Final answer
    x = 2,543.54

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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.