Home / 1,804.59-2,488.67-1,140.29

Finding the Fourth Proportional to 1,804.59, 2,488.67 and 1,140.29

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Solution

The fourth proportional to 1,804.59, 2,488.67 and 1,140.29 is: 1,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.59 : 2,488.67 = 1,140.29 : x
  2. Step 2: Convert to fraction form
    1,804.59/2,488.67 = 1,140.29/x
  3. Step 3: Cross multiply
    1,804.59x = 2,488.67 × 1,140.29
  4. Step 4: Simplify right side
    1,804.59x = 2,837,787.37
  5. Step 5: Solve for x
    x = 2,837,787.37/1,804.59
  6. Step 6: Final answer
    x = 1,572.54

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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.