Home / 2,943.36-4,056.48-2,246.40

Finding the Fourth Proportional to 2,943.36, 4,056.48 and 2,246.40

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Solution

The fourth proportional to 2,943.36, 4,056.48 and 2,246.40 is: 3,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.36 : 4,056.48 = 2,246.40 : x
  2. Step 2: Convert to fraction form
    2,943.36/4,056.48 = 2,246.40/x
  3. Step 3: Cross multiply
    2,943.36x = 4,056.48 × 2,246.40
  4. Step 4: Simplify right side
    2,943.36x = 9,112,476.67
  5. Step 5: Solve for x
    x = 9,112,476.67/2,943.36
  6. Step 6: Final answer
    x = 3,095.94

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1.5x scale

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.