Home / 1,887.29-2,603.83-1,140.96

Finding the Fourth Proportional to 1,887.29, 2,603.83 and 1,140.96

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Solution

The fourth proportional to 1,887.29, 2,603.83 and 1,140.96 is: 1,574.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.29 : 2,603.83 = 1,140.96 : x
  2. Step 2: Convert to fraction form
    1,887.29/2,603.83 = 1,140.96/x
  3. Step 3: Cross multiply
    1,887.29x = 2,603.83 × 1,140.96
  4. Step 4: Simplify right side
    1,887.29x = 2,970,860.17
  5. Step 5: Solve for x
    x = 2,970,860.17/1,887.29
  6. Step 6: Final answer
    x = 1,574.14

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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.