Home / 1,579.87-2,370.97-1,275.37

Finding the Fourth Proportional to 1,579.87, 2,370.97 and 1,275.37

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Solution

The fourth proportional to 1,579.87, 2,370.97 and 1,275.37 is: 1,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.87 : 2,370.97 = 1,275.37 : x
  2. Step 2: Convert to fraction form
    1,579.87/2,370.97 = 1,275.37/x
  3. Step 3: Cross multiply
    1,579.87x = 2,370.97 × 1,275.37
  4. Step 4: Simplify right side
    1,579.87x = 3,023,864.01
  5. Step 5: Solve for x
    x = 3,023,864.01/1,579.87
  6. Step 6: Final answer
    x = 1,914.00

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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.