Home / 3,506.33-5,260.41-1,315.10

Finding the Fourth Proportional to 3,506.33, 5,260.41 and 1,315.10

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Solution

The fourth proportional to 3,506.33, 5,260.41 and 1,315.10 is: 1,972.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.33 : 5,260.41 = 1,315.10 : x
  2. Step 2: Convert to fraction form
    3,506.33/5,260.41 = 1,315.10/x
  3. Step 3: Cross multiply
    3,506.33x = 5,260.41 × 1,315.10
  4. Step 4: Simplify right side
    3,506.33x = 6,917,965.19
  5. Step 5: Solve for x
    x = 6,917,965.19/3,506.33
  6. Step 6: Final answer
    x = 1,972.99

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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.