Home / 3,109.02-4,664.07-1,570.02

Finding the Fourth Proportional to 3,109.02, 4,664.07 and 1,570.02

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Solution

The fourth proportional to 3,109.02, 4,664.07 and 1,570.02 is: 2,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.02 : 4,664.07 = 1,570.02 : x
  2. Step 2: Convert to fraction form
    3,109.02/4,664.07 = 1,570.02/x
  3. Step 3: Cross multiply
    3,109.02x = 4,664.07 × 1,570.02
  4. Step 4: Simplify right side
    3,109.02x = 7,322,683.18
  5. Step 5: Solve for x
    x = 7,322,683.18/3,109.02
  6. Step 6: Final answer
    x = 2,355.30

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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.