Home / 2,948.29-4,068.58-1,603.87

Finding the Fourth Proportional to 2,948.29, 4,068.58 and 1,603.87

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Solution

The fourth proportional to 2,948.29, 4,068.58 and 1,603.87 is: 2,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.29 : 4,068.58 = 1,603.87 : x
  2. Step 2: Convert to fraction form
    2,948.29/4,068.58 = 1,603.87/x
  3. Step 3: Cross multiply
    2,948.29x = 4,068.58 × 1,603.87
  4. Step 4: Simplify right side
    2,948.29x = 6,525,473.40
  5. Step 5: Solve for x
    x = 6,525,473.40/2,948.29
  6. Step 6: Final answer
    x = 2,213.31

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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.