Home / 2,440.87-3,369.96-1,603.06

Finding the Fourth Proportional to 2,440.87, 3,369.96 and 1,603.06

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Solution

The fourth proportional to 2,440.87, 3,369.96 and 1,603.06 is: 2,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.87 : 3,369.96 = 1,603.06 : x
  2. Step 2: Convert to fraction form
    2,440.87/3,369.96 = 1,603.06/x
  3. Step 3: Cross multiply
    2,440.87x = 3,369.96 × 1,603.06
  4. Step 4: Simplify right side
    2,440.87x = 5,402,248.08
  5. Step 5: Solve for x
    x = 5,402,248.08/2,440.87
  6. Step 6: Final answer
    x = 2,213.25

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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.