Home / 1,941.17-2,675.63-1,350.68

Finding the Fourth Proportional to 1,941.17, 2,675.63 and 1,350.68

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Solution

The fourth proportional to 1,941.17, 2,675.63 and 1,350.68 is: 1,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.17 : 2,675.63 = 1,350.68 : x
  2. Step 2: Convert to fraction form
    1,941.17/2,675.63 = 1,350.68/x
  3. Step 3: Cross multiply
    1,941.17x = 2,675.63 × 1,350.68
  4. Step 4: Simplify right side
    1,941.17x = 3,613,909.93
  5. Step 5: Solve for x
    x = 3,613,909.93/1,941.17
  6. Step 6: Final answer
    x = 1,861.72

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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.