Home / 2,946.47-4,420.57-1,190.57

Finding the Fourth Proportional to 2,946.47, 4,420.57 and 1,190.57

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Solution

The fourth proportional to 2,946.47, 4,420.57 and 1,190.57 is: 1,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.47 : 4,420.57 = 1,190.57 : x
  2. Step 2: Convert to fraction form
    2,946.47/4,420.57 = 1,190.57/x
  3. Step 3: Cross multiply
    2,946.47x = 4,420.57 × 1,190.57
  4. Step 4: Simplify right side
    2,946.47x = 5,262,983.67
  5. Step 5: Solve for x
    x = 5,262,983.67/2,946.47
  6. Step 6: Final answer
    x = 1,786.20

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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.