Home / 1,588.65-2,190.26-1,090.43

Finding the Fourth Proportional to 1,588.65, 2,190.26 and 1,090.43

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Solution

The fourth proportional to 1,588.65, 2,190.26 and 1,090.43 is: 1,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.65 : 2,190.26 = 1,090.43 : x
  2. Step 2: Convert to fraction form
    1,588.65/2,190.26 = 1,090.43/x
  3. Step 3: Cross multiply
    1,588.65x = 2,190.26 × 1,090.43
  4. Step 4: Simplify right side
    1,588.65x = 2,388,308.81
  5. Step 5: Solve for x
    x = 2,388,308.81/1,588.65
  6. Step 6: Final answer
    x = 1,503.36

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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.