Home / 1,688.03-2,331.08-1,595.99

Finding the Fourth Proportional to 1,688.03, 2,331.08 and 1,595.99

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Solution

The fourth proportional to 1,688.03, 2,331.08 and 1,595.99 is: 2,203.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.03 : 2,331.08 = 1,595.99 : x
  2. Step 2: Convert to fraction form
    1,688.03/2,331.08 = 1,595.99/x
  3. Step 3: Cross multiply
    1,688.03x = 2,331.08 × 1,595.99
  4. Step 4: Simplify right side
    1,688.03x = 3,720,360.73
  5. Step 5: Solve for x
    x = 3,720,360.73/1,688.03
  6. Step 6: Final answer
    x = 2,203.97

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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.