Home / 2,626.04-3,938.37-1,239.01

Finding the Fourth Proportional to 2,626.04, 3,938.37 and 1,239.01

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Solution

The fourth proportional to 2,626.04, 3,938.37 and 1,239.01 is: 1,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.04 : 3,938.37 = 1,239.01 : x
  2. Step 2: Convert to fraction form
    2,626.04/3,938.37 = 1,239.01/x
  3. Step 3: Cross multiply
    2,626.04x = 3,938.37 × 1,239.01
  4. Step 4: Simplify right side
    2,626.04x = 4,879,653.93
  5. Step 5: Solve for x
    x = 4,879,653.93/2,626.04
  6. Step 6: Final answer
    x = 1,858.18

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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.