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Finding the Fourth Proportional to 2,784.51, 3,841.07 and 2,453.76

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Solution

The fourth proportional to 2,784.51, 3,841.07 and 2,453.76 is: 3,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.51 : 3,841.07 = 2,453.76 : x
  2. Step 2: Convert to fraction form
    2,784.51/3,841.07 = 2,453.76/x
  3. Step 3: Cross multiply
    2,784.51x = 3,841.07 × 2,453.76
  4. Step 4: Simplify right side
    2,784.51x = 9,425,051.65
  5. Step 5: Solve for x
    x = 9,425,051.65/2,784.51
  6. Step 6: Final answer
    x = 3,384.82

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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.