Home / 3,590.66-4,955.58-2,018.78

Finding the Fourth Proportional to 3,590.66, 4,955.58 and 2,018.78

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Solution

The fourth proportional to 3,590.66, 4,955.58 and 2,018.78 is: 2,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.66 : 4,955.58 = 2,018.78 : x
  2. Step 2: Convert to fraction form
    3,590.66/4,955.58 = 2,018.78/x
  3. Step 3: Cross multiply
    3,590.66x = 4,955.58 × 2,018.78
  4. Step 4: Simplify right side
    3,590.66x = 10,004,225.79
  5. Step 5: Solve for x
    x = 10,004,225.79/3,590.66
  6. Step 6: Final answer
    x = 2,786.18

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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.