Home / 1,588.14-2,193.35-1,388.34

Finding the Fourth Proportional to 1,588.14, 2,193.35 and 1,388.34

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Solution

The fourth proportional to 1,588.14, 2,193.35 and 1,388.34 is: 1,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.14 : 2,193.35 = 1,388.34 : x
  2. Step 2: Convert to fraction form
    1,588.14/2,193.35 = 1,388.34/x
  3. Step 3: Cross multiply
    1,588.14x = 2,193.35 × 1,388.34
  4. Step 4: Simplify right side
    1,588.14x = 3,045,108.60
  5. Step 5: Solve for x
    x = 3,045,108.60/1,588.14
  6. Step 6: Final answer
    x = 1,917.41

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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.