Home / 2,386.85-3,293.06-1,442.93

Finding the Fourth Proportional to 2,386.85, 3,293.06 and 1,442.93

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Solution

The fourth proportional to 2,386.85, 3,293.06 and 1,442.93 is: 1,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.85 : 3,293.06 = 1,442.93 : x
  2. Step 2: Convert to fraction form
    2,386.85/3,293.06 = 1,442.93/x
  3. Step 3: Cross multiply
    2,386.85x = 3,293.06 × 1,442.93
  4. Step 4: Simplify right side
    2,386.85x = 4,751,631.39
  5. Step 5: Solve for x
    x = 4,751,631.39/2,386.85
  6. Step 6: Final answer
    x = 1,990.76

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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.