Home / 3,364.77-4,643.18-1,948.36

Finding the Fourth Proportional to 3,364.77, 4,643.18 and 1,948.36

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Solution

The fourth proportional to 3,364.77, 4,643.18 and 1,948.36 is: 2,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.77 : 4,643.18 = 1,948.36 : x
  2. Step 2: Convert to fraction form
    3,364.77/4,643.18 = 1,948.36/x
  3. Step 3: Cross multiply
    3,364.77x = 4,643.18 × 1,948.36
  4. Step 4: Simplify right side
    3,364.77x = 9,046,579.45
  5. Step 5: Solve for x
    x = 9,046,579.45/3,364.77
  6. Step 6: Final answer
    x = 2,688.62

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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.