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Finding the Fourth Proportional to 2,184.56, 3,013.74 and 1,437.56

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Solution

The fourth proportional to 2,184.56, 3,013.74 and 1,437.56 is: 1,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.56 : 3,013.74 = 1,437.56 : x
  2. Step 2: Convert to fraction form
    2,184.56/3,013.74 = 1,437.56/x
  3. Step 3: Cross multiply
    2,184.56x = 3,013.74 × 1,437.56
  4. Step 4: Simplify right side
    2,184.56x = 4,332,432.07
  5. Step 5: Solve for x
    x = 4,332,432.07/2,184.56
  6. Step 6: Final answer
    x = 1,983.21

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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.