Home / 2,036.70-3,055.04-1,386.06

Finding the Fourth Proportional to 2,036.70, 3,055.04 and 1,386.06

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Solution

The fourth proportional to 2,036.70, 3,055.04 and 1,386.06 is: 2,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.70 : 3,055.04 = 1,386.06 : x
  2. Step 2: Convert to fraction form
    2,036.70/3,055.04 = 1,386.06/x
  3. Step 3: Cross multiply
    2,036.70x = 3,055.04 × 1,386.06
  4. Step 4: Simplify right side
    2,036.70x = 4,234,468.74
  5. Step 5: Solve for x
    x = 4,234,468.74/2,036.70
  6. Step 6: Final answer
    x = 2,079.08

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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.