Home / 1,815.99-2,506.58-1,070.38

Finding the Fourth Proportional to 1,815.99, 2,506.58 and 1,070.38

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Solution

The fourth proportional to 1,815.99, 2,506.58 and 1,070.38 is: 1,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.99 : 2,506.58 = 1,070.38 : x
  2. Step 2: Convert to fraction form
    1,815.99/2,506.58 = 1,070.38/x
  3. Step 3: Cross multiply
    1,815.99x = 2,506.58 × 1,070.38
  4. Step 4: Simplify right side
    1,815.99x = 2,682,993.10
  5. Step 5: Solve for x
    x = 2,682,993.10/1,815.99
  6. Step 6: Final answer
    x = 1,477.43

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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.