Home / 2,386.40-3,293.27-1,547.44

Finding the Fourth Proportional to 2,386.40, 3,293.27 and 1,547.44

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Solution

The fourth proportional to 2,386.40, 3,293.27 and 1,547.44 is: 2,135.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.40 : 3,293.27 = 1,547.44 : x
  2. Step 2: Convert to fraction form
    2,386.40/3,293.27 = 1,547.44/x
  3. Step 3: Cross multiply
    2,386.40x = 3,293.27 × 1,547.44
  4. Step 4: Simplify right side
    2,386.40x = 5,096,137.73
  5. Step 5: Solve for x
    x = 5,096,137.73/2,386.40
  6. Step 6: Final answer
    x = 2,135.49

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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.