Home / 1,407.12-2,094.51-1,386.33

Finding the Fourth Proportional to 1,407.12, 2,094.51 and 1,386.33

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Solution

The fourth proportional to 1,407.12, 2,094.51 and 1,386.33 is: 2,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407.12 : 2,094.51 = 1,386.33 : x
  2. Step 2: Convert to fraction form
    1,407.12/2,094.51 = 1,386.33/x
  3. Step 3: Cross multiply
    1,407.12x = 2,094.51 × 1,386.33
  4. Step 4: Simplify right side
    1,407.12x = 2,903,682.05
  5. Step 5: Solve for x
    x = 2,903,682.05/1,407.12
  6. Step 6: Final answer
    x = 2,063.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.