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Finding the Fourth Proportional to 1,802.66, 2,688.76 and 1,747.98

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Solution

The fourth proportional to 1,802.66, 2,688.76 and 1,747.98 is: 2,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.66 : 2,688.76 = 1,747.98 : x
  2. Step 2: Convert to fraction form
    1,802.66/2,688.76 = 1,747.98/x
  3. Step 3: Cross multiply
    1,802.66x = 2,688.76 × 1,747.98
  4. Step 4: Simplify right side
    1,802.66x = 4,699,900.89
  5. Step 5: Solve for x
    x = 4,699,900.89/1,802.66
  6. Step 6: Final answer
    x = 2,607.21

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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.