Home / 3,590.30-4,954.59-2,018.40

Finding the Fourth Proportional to 3,590.30, 4,954.59 and 2,018.40

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Solution

The fourth proportional to 3,590.30, 4,954.59 and 2,018.40 is: 2,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.30 : 4,954.59 = 2,018.40 : x
  2. Step 2: Convert to fraction form
    3,590.30/4,954.59 = 2,018.40/x
  3. Step 3: Cross multiply
    3,590.30x = 4,954.59 × 2,018.40
  4. Step 4: Simplify right side
    3,590.30x = 10,000,344.46
  5. Step 5: Solve for x
    x = 10,000,344.46/3,590.30
  6. Step 6: Final answer
    x = 2,785.38

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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.