Home / 3,479.30-4,807.80-2,533.45

Finding the Fourth Proportional to 3,479.30, 4,807.80 and 2,533.45

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Solution

The fourth proportional to 3,479.30, 4,807.80 and 2,533.45 is: 3,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.30 : 4,807.80 = 2,533.45 : x
  2. Step 2: Convert to fraction form
    3,479.30/4,807.80 = 2,533.45/x
  3. Step 3: Cross multiply
    3,479.30x = 4,807.80 × 2,533.45
  4. Step 4: Simplify right side
    3,479.30x = 12,180,299.39
  5. Step 5: Solve for x
    x = 12,180,299.39/3,479.30
  6. Step 6: Final answer
    x = 3,500.79

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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.