Home / 2,824.93-3,898.65-1,645.98

Finding the Fourth Proportional to 2,824.93, 3,898.65 and 1,645.98

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Solution

The fourth proportional to 2,824.93, 3,898.65 and 1,645.98 is: 2,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.93 : 3,898.65 = 1,645.98 : x
  2. Step 2: Convert to fraction form
    2,824.93/3,898.65 = 1,645.98/x
  3. Step 3: Cross multiply
    2,824.93x = 3,898.65 × 1,645.98
  4. Step 4: Simplify right side
    2,824.93x = 6,417,099.93
  5. Step 5: Solve for x
    x = 6,417,099.93/2,824.93
  6. Step 6: Final answer
    x = 2,271.60

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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.