Home / 2,856.23-3,941.76-1,677.48

Finding the Fourth Proportional to 2,856.23, 3,941.76 and 1,677.48

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Solution

The fourth proportional to 2,856.23, 3,941.76 and 1,677.48 is: 2,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.23 : 3,941.76 = 1,677.48 : x
  2. Step 2: Convert to fraction form
    2,856.23/3,941.76 = 1,677.48/x
  3. Step 3: Cross multiply
    2,856.23x = 3,941.76 × 1,677.48
  4. Step 4: Simplify right side
    2,856.23x = 6,612,223.56
  5. Step 5: Solve for x
    x = 6,612,223.56/2,856.23
  6. Step 6: Final answer
    x = 2,315.02

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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.