Home / 3,507.06-5,260.42-1,315.62

Finding the Fourth Proportional to 3,507.06, 5,260.42 and 1,315.62

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Solution

The fourth proportional to 3,507.06, 5,260.42 and 1,315.62 is: 1,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.06 : 5,260.42 = 1,315.62 : x
  2. Step 2: Convert to fraction form
    3,507.06/5,260.42 = 1,315.62/x
  3. Step 3: Cross multiply
    3,507.06x = 5,260.42 × 1,315.62
  4. Step 4: Simplify right side
    3,507.06x = 6,920,696.91
  5. Step 5: Solve for x
    x = 6,920,696.91/3,507.06
  6. Step 6: Final answer
    x = 1,973.36

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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.