Home / 3,280.36-4,527-1,955.44

Finding the Fourth Proportional to 3,280.36, 4,527 and 1,955.44

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Solution

The fourth proportional to 3,280.36, 4,527 and 1,955.44 is: 2,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.36 : 4,527 = 1,955.44 : x
  2. Step 2: Convert to fraction form
    3,280.36/4,527 = 1,955.44/x
  3. Step 3: Cross multiply
    3,280.36x = 4,527 × 1,955.44
  4. Step 4: Simplify right side
    3,280.36x = 8,852,276.88
  5. Step 5: Solve for x
    x = 8,852,276.88/3,280.36
  6. Step 6: Final answer
    x = 2,698.57

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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.