Home / 2,588.40-3,572.10-1,409.58

Finding the Fourth Proportional to 2,588.40, 3,572.10 and 1,409.58

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Solution

The fourth proportional to 2,588.40, 3,572.10 and 1,409.58 is: 1,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.40 : 3,572.10 = 1,409.58 : x
  2. Step 2: Convert to fraction form
    2,588.40/3,572.10 = 1,409.58/x
  3. Step 3: Cross multiply
    2,588.40x = 3,572.10 × 1,409.58
  4. Step 4: Simplify right side
    2,588.40x = 5,035,160.72
  5. Step 5: Solve for x
    x = 5,035,160.72/2,588.40
  6. Step 6: Final answer
    x = 1,945.28

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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.