Home / 1,682.01-2,519.67-1,315.08

Finding the Fourth Proportional to 1,682.01, 2,519.67 and 1,315.08

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Solution

The fourth proportional to 1,682.01, 2,519.67 and 1,315.08 is: 1,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.01 : 2,519.67 = 1,315.08 : x
  2. Step 2: Convert to fraction form
    1,682.01/2,519.67 = 1,315.08/x
  3. Step 3: Cross multiply
    1,682.01x = 2,519.67 × 1,315.08
  4. Step 4: Simplify right side
    1,682.01x = 3,313,567.62
  5. Step 5: Solve for x
    x = 3,313,567.62/1,682.01
  6. Step 6: Final answer
    x = 1,970.00

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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.