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Finding the Fourth Proportional to 2,754.63, 3,802.59 and 1,810.44

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Solution

The fourth proportional to 2,754.63, 3,802.59 and 1,810.44 is: 2,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.63 : 3,802.59 = 1,810.44 : x
  2. Step 2: Convert to fraction form
    2,754.63/3,802.59 = 1,810.44/x
  3. Step 3: Cross multiply
    2,754.63x = 3,802.59 × 1,810.44
  4. Step 4: Simplify right side
    2,754.63x = 6,884,361.04
  5. Step 5: Solve for x
    x = 6,884,361.04/2,754.63
  6. Step 6: Final answer
    x = 2,499.20

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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.