Home / 1,579.02-2,367.51-655.21

Finding the Fourth Proportional to 1,579.02, 2,367.51 and 655.21

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Solution

The fourth proportional to 1,579.02, 2,367.51 and 655.21 is: 982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.02 : 2,367.51 = 655.21 : x
  2. Step 2: Convert to fraction form
    1,579.02/2,367.51 = 655.21/x
  3. Step 3: Cross multiply
    1,579.02x = 2,367.51 × 655.21
  4. Step 4: Simplify right side
    1,579.02x = 1,551,224.60
  5. Step 5: Solve for x
    x = 1,551,224.60/1,579.02
  6. Step 6: Final answer
    x = 982.40

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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.