Home / 2,337.28-3,226.08-1,640.32

Finding the Fourth Proportional to 2,337.28, 3,226.08 and 1,640.32

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Solution

The fourth proportional to 2,337.28, 3,226.08 and 1,640.32 is: 2,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.28 : 3,226.08 = 1,640.32 : x
  2. Step 2: Convert to fraction form
    2,337.28/3,226.08 = 1,640.32/x
  3. Step 3: Cross multiply
    2,337.28x = 3,226.08 × 1,640.32
  4. Step 4: Simplify right side
    2,337.28x = 5,291,803.55
  5. Step 5: Solve for x
    x = 5,291,803.55/2,337.28
  6. Step 6: Final answer
    x = 2,264.09

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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.