Home / 3,276.32-4,914.48-1,521.10

Finding the Fourth Proportional to 3,276.32, 4,914.48 and 1,521.10

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Solution

The fourth proportional to 3,276.32, 4,914.48 and 1,521.10 is: 2,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.32 : 4,914.48 = 1,521.10 : x
  2. Step 2: Convert to fraction form
    3,276.32/4,914.48 = 1,521.10/x
  3. Step 3: Cross multiply
    3,276.32x = 4,914.48 × 1,521.10
  4. Step 4: Simplify right side
    3,276.32x = 7,475,395.45
  5. Step 5: Solve for x
    x = 7,475,395.45/3,276.32
  6. Step 6: Final answer
    x = 2,281.65

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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.