Home / 1,588.92-2,187.36-1,366.62

Finding the Fourth Proportional to 1,588.92, 2,187.36 and 1,366.62

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Solution

The fourth proportional to 1,588.92, 2,187.36 and 1,366.62 is: 1,881.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.92 : 2,187.36 = 1,366.62 : x
  2. Step 2: Convert to fraction form
    1,588.92/2,187.36 = 1,366.62/x
  3. Step 3: Cross multiply
    1,588.92x = 2,187.36 × 1,366.62
  4. Step 4: Simplify right side
    1,588.92x = 2,989,289.92
  5. Step 5: Solve for x
    x = 2,989,289.92/1,588.92
  6. Step 6: Final answer
    x = 1,881.33

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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.