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Finding the Fourth Proportional to 1,844.45, 2,752.45 and 1,520.45

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Solution

The fourth proportional to 1,844.45, 2,752.45 and 1,520.45 is: 2,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.45 : 2,752.45 = 1,520.45 : x
  2. Step 2: Convert to fraction form
    1,844.45/2,752.45 = 1,520.45/x
  3. Step 3: Cross multiply
    1,844.45x = 2,752.45 × 1,520.45
  4. Step 4: Simplify right side
    1,844.45x = 4,184,962.60
  5. Step 5: Solve for x
    x = 4,184,962.60/1,844.45
  6. Step 6: Final answer
    x = 2,268.95

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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.