Home / 2,376.88-3,570.80-1,403.68

Finding the Fourth Proportional to 2,376.88, 3,570.80 and 1,403.68

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Solution

The fourth proportional to 2,376.88, 3,570.80 and 1,403.68 is: 2,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.88 : 3,570.80 = 1,403.68 : x
  2. Step 2: Convert to fraction form
    2,376.88/3,570.80 = 1,403.68/x
  3. Step 3: Cross multiply
    2,376.88x = 3,570.80 × 1,403.68
  4. Step 4: Simplify right side
    2,376.88x = 5,012,260.54
  5. Step 5: Solve for x
    x = 5,012,260.54/2,376.88
  6. Step 6: Final answer
    x = 2,108.76

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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.