Home / 1,860.80-2,572.86-1,627.37

Finding the Fourth Proportional to 1,860.80, 2,572.86 and 1,627.37

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Solution

The fourth proportional to 1,860.80, 2,572.86 and 1,627.37 is: 2,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.80 : 2,572.86 = 1,627.37 : x
  2. Step 2: Convert to fraction form
    1,860.80/2,572.86 = 1,627.37/x
  3. Step 3: Cross multiply
    1,860.80x = 2,572.86 × 1,627.37
  4. Step 4: Simplify right side
    1,860.80x = 4,186,995.18
  5. Step 5: Solve for x
    x = 4,186,995.18/1,860.80
  6. Step 6: Final answer
    x = 2,250.10

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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.