Home / 1,586.09-2,186.71-1,301.47

Finding the Fourth Proportional to 1,586.09, 2,186.71 and 1,301.47

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Solution

The fourth proportional to 1,586.09, 2,186.71 and 1,301.47 is: 1,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.09 : 2,186.71 = 1,301.47 : x
  2. Step 2: Convert to fraction form
    1,586.09/2,186.71 = 1,301.47/x
  3. Step 3: Cross multiply
    1,586.09x = 2,186.71 × 1,301.47
  4. Step 4: Simplify right side
    1,586.09x = 2,845,932.40
  5. Step 5: Solve for x
    x = 2,845,932.40/1,586.09
  6. Step 6: Final answer
    x = 1,794.30

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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.