Home / 1,663.14-2,497.95-1,355.22

Finding the Fourth Proportional to 1,663.14, 2,497.95 and 1,355.22

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Solution

The fourth proportional to 1,663.14, 2,497.95 and 1,355.22 is: 2,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.14 : 2,497.95 = 1,355.22 : x
  2. Step 2: Convert to fraction form
    1,663.14/2,497.95 = 1,355.22/x
  3. Step 3: Cross multiply
    1,663.14x = 2,497.95 × 1,355.22
  4. Step 4: Simplify right side
    1,663.14x = 3,385,271.80
  5. Step 5: Solve for x
    x = 3,385,271.80/1,663.14
  6. Step 6: Final answer
    x = 2,035.47

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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.