Home / 1,867.99-2,577.95-1,237.43

Finding the Fourth Proportional to 1,867.99, 2,577.95 and 1,237.43

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Solution

The fourth proportional to 1,867.99, 2,577.95 and 1,237.43 is: 1,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.99 : 2,577.95 = 1,237.43 : x
  2. Step 2: Convert to fraction form
    1,867.99/2,577.95 = 1,237.43/x
  3. Step 3: Cross multiply
    1,867.99x = 2,577.95 × 1,237.43
  4. Step 4: Simplify right side
    1,867.99x = 3,190,032.67
  5. Step 5: Solve for x
    x = 3,190,032.67/1,867.99
  6. Step 6: Final answer
    x = 1,707.74

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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.