Home / 3,407.47-5,111.98-1,186.41

Finding the Fourth Proportional to 3,407.47, 5,111.98 and 1,186.41

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Solution

The fourth proportional to 3,407.47, 5,111.98 and 1,186.41 is: 1,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.47 : 5,111.98 = 1,186.41 : x
  2. Step 2: Convert to fraction form
    3,407.47/5,111.98 = 1,186.41/x
  3. Step 3: Cross multiply
    3,407.47x = 5,111.98 × 1,186.41
  4. Step 4: Simplify right side
    3,407.47x = 6,064,901.33
  5. Step 5: Solve for x
    x = 6,064,901.33/3,407.47
  6. Step 6: Final answer
    x = 1,779.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.