Home / 3,783.02-5,675.88-1,317.74

Finding the Fourth Proportional to 3,783.02, 5,675.88 and 1,317.74

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Solution

The fourth proportional to 3,783.02, 5,675.88 and 1,317.74 is: 1,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.02 : 5,675.88 = 1,317.74 : x
  2. Step 2: Convert to fraction form
    3,783.02/5,675.88 = 1,317.74/x
  3. Step 3: Cross multiply
    3,783.02x = 5,675.88 × 1,317.74
  4. Step 4: Simplify right side
    3,783.02x = 7,479,334.11
  5. Step 5: Solve for x
    x = 7,479,334.11/3,783.02
  6. Step 6: Final answer
    x = 1,977.08

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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.