Home / 4,050.64-5,578.70-3,490.90

Finding the Fourth Proportional to 4,050.64, 5,578.70 and 3,490.90

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Solution

The fourth proportional to 4,050.64, 5,578.70 and 3,490.90 is: 4,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,050.64 : 5,578.70 = 3,490.90 : x
  2. Step 2: Convert to fraction form
    4,050.64/5,578.70 = 3,490.90/x
  3. Step 3: Cross multiply
    4,050.64x = 5,578.70 × 3,490.90
  4. Step 4: Simplify right side
    4,050.64x = 19,474,683.83
  5. Step 5: Solve for x
    x = 19,474,683.83/4,050.64
  6. Step 6: Final answer
    x = 4,807.81

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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.