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Finding the Fourth Proportional to 2,337.84, 3,509.09 and 1,680.48

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Solution

The fourth proportional to 2,337.84, 3,509.09 and 1,680.48 is: 2,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.84 : 3,509.09 = 1,680.48 : x
  2. Step 2: Convert to fraction form
    2,337.84/3,509.09 = 1,680.48/x
  3. Step 3: Cross multiply
    2,337.84x = 3,509.09 × 1,680.48
  4. Step 4: Simplify right side
    2,337.84x = 5,896,955.56
  5. Step 5: Solve for x
    x = 5,896,955.56/2,337.84
  6. Step 6: Final answer
    x = 2,522.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.