Home / 2,087.03-2,877.04-1,588.81

Finding the Fourth Proportional to 2,087.03, 2,877.04 and 1,588.81

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Solution

The fourth proportional to 2,087.03, 2,877.04 and 1,588.81 is: 2,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.03 : 2,877.04 = 1,588.81 : x
  2. Step 2: Convert to fraction form
    2,087.03/2,877.04 = 1,588.81/x
  3. Step 3: Cross multiply
    2,087.03x = 2,877.04 × 1,588.81
  4. Step 4: Simplify right side
    2,087.03x = 4,571,051.57
  5. Step 5: Solve for x
    x = 4,571,051.57/2,087.03
  6. Step 6: Final answer
    x = 2,190.22

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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.