Home / 1,941.48-2,680.58-1,817.56

Finding the Fourth Proportional to 1,941.48, 2,680.58 and 1,817.56

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Solution

The fourth proportional to 1,941.48, 2,680.58 and 1,817.56 is: 2,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.48 : 2,680.58 = 1,817.56 : x
  2. Step 2: Convert to fraction form
    1,941.48/2,680.58 = 1,817.56/x
  3. Step 3: Cross multiply
    1,941.48x = 2,680.58 × 1,817.56
  4. Step 4: Simplify right side
    1,941.48x = 4,872,114.98
  5. Step 5: Solve for x
    x = 4,872,114.98/1,941.48
  6. Step 6: Final answer
    x = 2,509.49

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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.