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Finding the Fourth Proportional to 1,694.68, 2,339.58 and 1,303

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Solution

The fourth proportional to 1,694.68, 2,339.58 and 1,303 is: 1,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.68 : 2,339.58 = 1,303 : x
  2. Step 2: Convert to fraction form
    1,694.68/2,339.58 = 1,303/x
  3. Step 3: Cross multiply
    1,694.68x = 2,339.58 × 1,303
  4. Step 4: Simplify right side
    1,694.68x = 3,048,472.74
  5. Step 5: Solve for x
    x = 3,048,472.74/1,694.68
  6. Step 6: Final answer
    x = 1,798.85

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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.