Home / 3,328.72-4,593-2,280.40

Finding the Fourth Proportional to 3,328.72, 4,593 and 2,280.40

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Solution

The fourth proportional to 3,328.72, 4,593 and 2,280.40 is: 3,146.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.72 : 4,593 = 2,280.40 : x
  2. Step 2: Convert to fraction form
    3,328.72/4,593 = 2,280.40/x
  3. Step 3: Cross multiply
    3,328.72x = 4,593 × 2,280.40
  4. Step 4: Simplify right side
    3,328.72x = 10,473,877.20
  5. Step 5: Solve for x
    x = 10,473,877.20/3,328.72
  6. Step 6: Final answer
    x = 3,146.52

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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.