Home / 1,495.31-2,239.49-1,443.40

Finding the Fourth Proportional to 1,495.31, 2,239.49 and 1,443.40

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Solution

The fourth proportional to 1,495.31, 2,239.49 and 1,443.40 is: 2,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.31 : 2,239.49 = 1,443.40 : x
  2. Step 2: Convert to fraction form
    1,495.31/2,239.49 = 1,443.40/x
  3. Step 3: Cross multiply
    1,495.31x = 2,239.49 × 1,443.40
  4. Step 4: Simplify right side
    1,495.31x = 3,232,486.41
  5. Step 5: Solve for x
    x = 3,232,486.41/1,495.31
  6. Step 6: Final answer
    x = 2,161.75

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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.