Home / 2,386.02-3,296.98-1,866

Finding the Fourth Proportional to 2,386.02, 3,296.98 and 1,866

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Solution

The fourth proportional to 2,386.02, 3,296.98 and 1,866 is: 2,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.02 : 3,296.98 = 1,866 : x
  2. Step 2: Convert to fraction form
    2,386.02/3,296.98 = 1,866/x
  3. Step 3: Cross multiply
    2,386.02x = 3,296.98 × 1,866
  4. Step 4: Simplify right side
    2,386.02x = 6,152,164.68
  5. Step 5: Solve for x
    x = 6,152,164.68/2,386.02
  6. Step 6: Final answer
    x = 2,578.42

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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.