Home / 2,465.10-3,399.63-1,580.73

Finding the Fourth Proportional to 2,465.10, 3,399.63 and 1,580.73

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Solution

The fourth proportional to 2,465.10, 3,399.63 and 1,580.73 is: 2,179.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.10 : 3,399.63 = 1,580.73 : x
  2. Step 2: Convert to fraction form
    2,465.10/3,399.63 = 1,580.73/x
  3. Step 3: Cross multiply
    2,465.10x = 3,399.63 × 1,580.73
  4. Step 4: Simplify right side
    2,465.10x = 5,373,897.13
  5. Step 5: Solve for x
    x = 5,373,897.13/2,465.10
  6. Step 6: Final answer
    x = 2,179.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.