Home / 2,917.04-4,376.28-969.40

Finding the Fourth Proportional to 2,917.04, 4,376.28 and 969.40

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Solution

The fourth proportional to 2,917.04, 4,376.28 and 969.40 is: 1,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.04 : 4,376.28 = 969.40 : x
  2. Step 2: Convert to fraction form
    2,917.04/4,376.28 = 969.40/x
  3. Step 3: Cross multiply
    2,917.04x = 4,376.28 × 969.40
  4. Step 4: Simplify right side
    2,917.04x = 4,242,365.83
  5. Step 5: Solve for x
    x = 4,242,365.83/2,917.04
  6. Step 6: Final answer
    x = 1,454.34

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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.