Home / 2,579.15-3,559.23-1,400.23

Finding the Fourth Proportional to 2,579.15, 3,559.23 and 1,400.23

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Solution

The fourth proportional to 2,579.15, 3,559.23 and 1,400.23 is: 1,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.15 : 3,559.23 = 1,400.23 : x
  2. Step 2: Convert to fraction form
    2,579.15/3,559.23 = 1,400.23/x
  3. Step 3: Cross multiply
    2,579.15x = 3,559.23 × 1,400.23
  4. Step 4: Simplify right side
    2,579.15x = 4,983,740.62
  5. Step 5: Solve for x
    x = 4,983,740.62/2,579.15
  6. Step 6: Final answer
    x = 1,932.32

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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.