Home / 1,636.07-2,440.67-1,518.21

Finding the Fourth Proportional to 1,636.07, 2,440.67 and 1,518.21

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Solution

The fourth proportional to 1,636.07, 2,440.67 and 1,518.21 is: 2,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.07 : 2,440.67 = 1,518.21 : x
  2. Step 2: Convert to fraction form
    1,636.07/2,440.67 = 1,518.21/x
  3. Step 3: Cross multiply
    1,636.07x = 2,440.67 × 1,518.21
  4. Step 4: Simplify right side
    1,636.07x = 3,705,442.01
  5. Step 5: Solve for x
    x = 3,705,442.01/1,636.07
  6. Step 6: Final answer
    x = 2,264.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.