Home / 3,184.40-4,776.18-1,235.60

Finding the Fourth Proportional to 3,184.40, 4,776.18 and 1,235.60

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Solution

The fourth proportional to 3,184.40, 4,776.18 and 1,235.60 is: 1,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.40 : 4,776.18 = 1,235.60 : x
  2. Step 2: Convert to fraction form
    3,184.40/4,776.18 = 1,235.60/x
  3. Step 3: Cross multiply
    3,184.40x = 4,776.18 × 1,235.60
  4. Step 4: Simplify right side
    3,184.40x = 5,901,448.01
  5. Step 5: Solve for x
    x = 5,901,448.01/3,184.40
  6. Step 6: Final answer
    x = 1,853.24

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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.