Home / 2,036.15-3,055.09-1,378.77

Finding the Fourth Proportional to 2,036.15, 3,055.09 and 1,378.77

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Solution

The fourth proportional to 2,036.15, 3,055.09 and 1,378.77 is: 2,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.15 : 3,055.09 = 1,378.77 : x
  2. Step 2: Convert to fraction form
    2,036.15/3,055.09 = 1,378.77/x
  3. Step 3: Cross multiply
    2,036.15x = 3,055.09 × 1,378.77
  4. Step 4: Simplify right side
    2,036.15x = 4,212,274.95
  5. Step 5: Solve for x
    x = 4,212,274.95/2,036.15
  6. Step 6: Final answer
    x = 2,068.74

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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.