Home / 2,114.48-3,156.32-1,941.14

Finding the Fourth Proportional to 2,114.48, 3,156.32 and 1,941.14

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Solution

The fourth proportional to 2,114.48, 3,156.32 and 1,941.14 is: 2,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.48 : 3,156.32 = 1,941.14 : x
  2. Step 2: Convert to fraction form
    2,114.48/3,156.32 = 1,941.14/x
  3. Step 3: Cross multiply
    2,114.48x = 3,156.32 × 1,941.14
  4. Step 4: Simplify right side
    2,114.48x = 6,126,859.00
  5. Step 5: Solve for x
    x = 6,126,859.00/2,114.48
  6. Step 6: Final answer
    x = 2,897.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.