Home / 2,688.24-4,032.21-1,599.51

Finding the Fourth Proportional to 2,688.24, 4,032.21 and 1,599.51

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Solution

The fourth proportional to 2,688.24, 4,032.21 and 1,599.51 is: 2,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.24 : 4,032.21 = 1,599.51 : x
  2. Step 2: Convert to fraction form
    2,688.24/4,032.21 = 1,599.51/x
  3. Step 3: Cross multiply
    2,688.24x = 4,032.21 × 1,599.51
  4. Step 4: Simplify right side
    2,688.24x = 6,449,560.22
  5. Step 5: Solve for x
    x = 6,449,560.22/2,688.24
  6. Step 6: Final answer
    x = 2,399.18

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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.