Home / 2,914.36-4,021.80-1,588.06

Finding the Fourth Proportional to 2,914.36, 4,021.80 and 1,588.06

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Solution

The fourth proportional to 2,914.36, 4,021.80 and 1,588.06 is: 2,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.36 : 4,021.80 = 1,588.06 : x
  2. Step 2: Convert to fraction form
    2,914.36/4,021.80 = 1,588.06/x
  3. Step 3: Cross multiply
    2,914.36x = 4,021.80 × 1,588.06
  4. Step 4: Simplify right side
    2,914.36x = 6,386,859.71
  5. Step 5: Solve for x
    x = 6,386,859.71/2,914.36
  6. Step 6: Final answer
    x = 2,191.51

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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.