Home / 3,693.87-5,537.57-1,386.99

Finding the Fourth Proportional to 3,693.87, 5,537.57 and 1,386.99

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Solution

The fourth proportional to 3,693.87, 5,537.57 and 1,386.99 is: 2,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.87 : 5,537.57 = 1,386.99 : x
  2. Step 2: Convert to fraction form
    3,693.87/5,537.57 = 1,386.99/x
  3. Step 3: Cross multiply
    3,693.87x = 5,537.57 × 1,386.99
  4. Step 4: Simplify right side
    3,693.87x = 7,680,547.28
  5. Step 5: Solve for x
    x = 7,680,547.28/3,693.87
  6. Step 6: Final answer
    x = 2,079.27

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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.