Home / 1,690.04-2,532.39-1,342.48

Finding the Fourth Proportional to 1,690.04, 2,532.39 and 1,342.48

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Solution

The fourth proportional to 1,690.04, 2,532.39 and 1,342.48 is: 2,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.04 : 2,532.39 = 1,342.48 : x
  2. Step 2: Convert to fraction form
    1,690.04/2,532.39 = 1,342.48/x
  3. Step 3: Cross multiply
    1,690.04x = 2,532.39 × 1,342.48
  4. Step 4: Simplify right side
    1,690.04x = 3,399,682.93
  5. Step 5: Solve for x
    x = 3,399,682.93/1,690.04
  6. Step 6: Final answer
    x = 2,011.60

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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.