Home / 3,490.16-5,235.72-1,846.40

Finding the Fourth Proportional to 3,490.16, 5,235.72 and 1,846.40

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Solution

The fourth proportional to 3,490.16, 5,235.72 and 1,846.40 is: 2,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.16 : 5,235.72 = 1,846.40 : x
  2. Step 2: Convert to fraction form
    3,490.16/5,235.72 = 1,846.40/x
  3. Step 3: Cross multiply
    3,490.16x = 5,235.72 × 1,846.40
  4. Step 4: Simplify right side
    3,490.16x = 9,667,233.41
  5. Step 5: Solve for x
    x = 9,667,233.41/3,490.16
  6. Step 6: Final answer
    x = 2,769.85

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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.