Home / 3,048.40-4,190.64-2,621.46

Finding the Fourth Proportional to 3,048.40, 4,190.64 and 2,621.46

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Solution

The fourth proportional to 3,048.40, 4,190.64 and 2,621.46 is: 3,603.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.40 : 4,190.64 = 2,621.46 : x
  2. Step 2: Convert to fraction form
    3,048.40/4,190.64 = 2,621.46/x
  3. Step 3: Cross multiply
    3,048.40x = 4,190.64 × 2,621.46
  4. Step 4: Simplify right side
    3,048.40x = 10,985,582.79
  5. Step 5: Solve for x
    x = 10,985,582.79/3,048.40
  6. Step 6: Final answer
    x = 3,603.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.