Home / 2,746.90-4,119.24-1,705.36

Finding the Fourth Proportional to 2,746.90, 4,119.24 and 1,705.36

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Solution

The fourth proportional to 2,746.90, 4,119.24 and 1,705.36 is: 2,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.90 : 4,119.24 = 1,705.36 : x
  2. Step 2: Convert to fraction form
    2,746.90/4,119.24 = 1,705.36/x
  3. Step 3: Cross multiply
    2,746.90x = 4,119.24 × 1,705.36
  4. Step 4: Simplify right side
    2,746.90x = 7,024,787.13
  5. Step 5: Solve for x
    x = 7,024,787.13/2,746.90
  6. Step 6: Final answer
    x = 2,557.35

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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.