Home / 2,300.57-3,451.70-1,130.45

Finding the Fourth Proportional to 2,300.57, 3,451.70 and 1,130.45

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Solution

The fourth proportional to 2,300.57, 3,451.70 and 1,130.45 is: 1,696.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,300.57 : 3,451.70 = 1,130.45 : x
  2. Step 2: Convert to fraction form
    2,300.57/3,451.70 = 1,130.45/x
  3. Step 3: Cross multiply
    2,300.57x = 3,451.70 × 1,130.45
  4. Step 4: Simplify right side
    2,300.57x = 3,901,977.24
  5. Step 5: Solve for x
    x = 3,901,977.24/2,300.57
  6. Step 6: Final answer
    x = 1,696.09

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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.