Home / 3,271.90-4,900.65-1,323.10

Finding the Fourth Proportional to 3,271.90, 4,900.65 and 1,323.10

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Solution

The fourth proportional to 3,271.90, 4,900.65 and 1,323.10 is: 1,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.90 : 4,900.65 = 1,323.10 : x
  2. Step 2: Convert to fraction form
    3,271.90/4,900.65 = 1,323.10/x
  3. Step 3: Cross multiply
    3,271.90x = 4,900.65 × 1,323.10
  4. Step 4: Simplify right side
    3,271.90x = 6,484,050.02
  5. Step 5: Solve for x
    x = 6,484,050.02/3,271.90
  6. Step 6: Final answer
    x = 1,981.74

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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.