Home / 1,496.61-2,065.37-824.45

Finding the Fourth Proportional to 1,496.61, 2,065.37 and 824.45

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Solution

The fourth proportional to 1,496.61, 2,065.37 and 824.45 is: 1,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.61 : 2,065.37 = 824.45 : x
  2. Step 2: Convert to fraction form
    1,496.61/2,065.37 = 824.45/x
  3. Step 3: Cross multiply
    1,496.61x = 2,065.37 × 824.45
  4. Step 4: Simplify right side
    1,496.61x = 1,702,779.85
  5. Step 5: Solve for x
    x = 1,702,779.85/1,496.61
  6. Step 6: Final answer
    x = 1,137.76

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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.