Home / 3,276.09-4,915.08-1,890.41

Finding the Fourth Proportional to 3,276.09, 4,915.08 and 1,890.41

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Solution

The fourth proportional to 3,276.09, 4,915.08 and 1,890.41 is: 2,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.09 : 4,915.08 = 1,890.41 : x
  2. Step 2: Convert to fraction form
    3,276.09/4,915.08 = 1,890.41/x
  3. Step 3: Cross multiply
    3,276.09x = 4,915.08 × 1,890.41
  4. Step 4: Simplify right side
    3,276.09x = 9,291,491.81
  5. Step 5: Solve for x
    x = 9,291,491.81/3,276.09
  6. Step 6: Final answer
    x = 2,836.15

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1.5x scale

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.