Home / 2,507.39-3,746.73-1,911.12

Finding the Fourth Proportional to 2,507.39, 3,746.73 and 1,911.12

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Solution

The fourth proportional to 2,507.39, 3,746.73 and 1,911.12 is: 2,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,507.39 : 3,746.73 = 1,911.12 : x
  2. Step 2: Convert to fraction form
    2,507.39/3,746.73 = 1,911.12/x
  3. Step 3: Cross multiply
    2,507.39x = 3,746.73 × 1,911.12
  4. Step 4: Simplify right side
    2,507.39x = 7,160,450.64
  5. Step 5: Solve for x
    x = 7,160,450.64/2,507.39
  6. Step 6: Final answer
    x = 2,855.74

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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.