Home / 2,386.08-3,292.74-1,338.36

Finding the Fourth Proportional to 2,386.08, 3,292.74 and 1,338.36

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Solution

The fourth proportional to 2,386.08, 3,292.74 and 1,338.36 is: 1,846.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.08 : 3,292.74 = 1,338.36 : x
  2. Step 2: Convert to fraction form
    2,386.08/3,292.74 = 1,338.36/x
  3. Step 3: Cross multiply
    2,386.08x = 3,292.74 × 1,338.36
  4. Step 4: Simplify right side
    2,386.08x = 4,406,871.51
  5. Step 5: Solve for x
    x = 4,406,871.51/2,386.08
  6. Step 6: Final answer
    x = 1,846.91

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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.