Home / 1,852.03-2,555.85-1,012.78

Finding the Fourth Proportional to 1,852.03, 2,555.85 and 1,012.78

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Solution

The fourth proportional to 1,852.03, 2,555.85 and 1,012.78 is: 1,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.03 : 2,555.85 = 1,012.78 : x
  2. Step 2: Convert to fraction form
    1,852.03/2,555.85 = 1,012.78/x
  3. Step 3: Cross multiply
    1,852.03x = 2,555.85 × 1,012.78
  4. Step 4: Simplify right side
    1,852.03x = 2,588,513.76
  5. Step 5: Solve for x
    x = 2,588,513.76/1,852.03
  6. Step 6: Final answer
    x = 1,397.66

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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.