Home / 2,680.24-3,698.43-1,501.28

Finding the Fourth Proportional to 2,680.24, 3,698.43 and 1,501.28

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Solution

The fourth proportional to 2,680.24, 3,698.43 and 1,501.28 is: 2,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.24 : 3,698.43 = 1,501.28 : x
  2. Step 2: Convert to fraction form
    2,680.24/3,698.43 = 1,501.28/x
  3. Step 3: Cross multiply
    2,680.24x = 3,698.43 × 1,501.28
  4. Step 4: Simplify right side
    2,680.24x = 5,552,378.99
  5. Step 5: Solve for x
    x = 5,552,378.99/2,680.24
  6. Step 6: Final answer
    x = 2,071.60

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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.