Home / 1,852.40-2,556.38-1,013.15

Finding the Fourth Proportional to 1,852.40, 2,556.38 and 1,013.15

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Solution

The fourth proportional to 1,852.40, 2,556.38 and 1,013.15 is: 1,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.40 : 2,556.38 = 1,013.15 : x
  2. Step 2: Convert to fraction form
    1,852.40/2,556.38 = 1,013.15/x
  3. Step 3: Cross multiply
    1,852.40x = 2,556.38 × 1,013.15
  4. Step 4: Simplify right side
    1,852.40x = 2,590,005.32
  5. Step 5: Solve for x
    x = 2,590,005.32/1,852.40
  6. Step 6: Final answer
    x = 1,398.19

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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.