Home / 1,588.41-2,391.93-1,385.40

Finding the Fourth Proportional to 1,588.41, 2,391.93 and 1,385.40

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Solution

The fourth proportional to 1,588.41, 2,391.93 and 1,385.40 is: 2,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.41 : 2,391.93 = 1,385.40 : x
  2. Step 2: Convert to fraction form
    1,588.41/2,391.93 = 1,385.40/x
  3. Step 3: Cross multiply
    1,588.41x = 2,391.93 × 1,385.40
  4. Step 4: Simplify right side
    1,588.41x = 3,313,788.79
  5. Step 5: Solve for x
    x = 3,313,788.79/1,588.41
  6. Step 6: Final answer
    x = 2,086.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.