Home / 2,301.87-3,450.40-1,130.25

Finding the Fourth Proportional to 2,301.87, 3,450.40 and 1,130.25

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Solution

The fourth proportional to 2,301.87, 3,450.40 and 1,130.25 is: 1,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.87 : 3,450.40 = 1,130.25 : x
  2. Step 2: Convert to fraction form
    2,301.87/3,450.40 = 1,130.25/x
  3. Step 3: Cross multiply
    2,301.87x = 3,450.40 × 1,130.25
  4. Step 4: Simplify right side
    2,301.87x = 3,899,824.71
  5. Step 5: Solve for x
    x = 3,899,824.71/2,301.87
  6. Step 6: Final answer
    x = 1,694.20

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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.