Home / 3,328.32-4,590.30-2,491.00

Finding the Fourth Proportional to 3,328.32, 4,590.30 and 2,491.00

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Solution

The fourth proportional to 3,328.32, 4,590.30 and 2,491.00 is: 3,435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.32 : 4,590.30 = 2,491.00 : x
  2. Step 2: Convert to fraction form
    3,328.32/4,590.30 = 2,491.00/x
  3. Step 3: Cross multiply
    3,328.32x = 4,590.30 × 2,491.00
  4. Step 4: Simplify right side
    3,328.32x = 11,434,439.97
  5. Step 5: Solve for x
    x = 11,434,439.97/3,328.32
  6. Step 6: Final answer
    x = 3,435.50

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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.