Home / 3,209.02-4,814.40-1,017.80

Finding the Fourth Proportional to 3,209.02, 4,814.40 and 1,017.80

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Solution

The fourth proportional to 3,209.02, 4,814.40 and 1,017.80 is: 1,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.02 : 4,814.40 = 1,017.80 : x
  2. Step 2: Convert to fraction form
    3,209.02/4,814.40 = 1,017.80/x
  3. Step 3: Cross multiply
    3,209.02x = 4,814.40 × 1,017.80
  4. Step 4: Simplify right side
    3,209.02x = 4,900,096.32
  5. Step 5: Solve for x
    x = 4,900,096.32/3,209.02
  6. Step 6: Final answer
    x = 1,526.98

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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.