Home / 3,215.02-4,823.40-1,023.80

Finding the Fourth Proportional to 3,215.02, 4,823.40 and 1,023.80

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Solution

The fourth proportional to 3,215.02, 4,823.40 and 1,023.80 is: 1,535.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.02 : 4,823.40 = 1,023.80 : x
  2. Step 2: Convert to fraction form
    3,215.02/4,823.40 = 1,023.80/x
  3. Step 3: Cross multiply
    3,215.02x = 4,823.40 × 1,023.80
  4. Step 4: Simplify right side
    3,215.02x = 4,938,196.92
  5. Step 5: Solve for x
    x = 4,938,196.92/3,215.02
  6. Step 6: Final answer
    x = 1,535.98

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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.