Home / 1,916.13-2,642.31-1,804.52

Finding the Fourth Proportional to 1,916.13, 2,642.31 and 1,804.52

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Solution

The fourth proportional to 1,916.13, 2,642.31 and 1,804.52 is: 2,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.13 : 2,642.31 = 1,804.52 : x
  2. Step 2: Convert to fraction form
    1,916.13/2,642.31 = 1,804.52/x
  3. Step 3: Cross multiply
    1,916.13x = 2,642.31 × 1,804.52
  4. Step 4: Simplify right side
    1,916.13x = 4,768,101.24
  5. Step 5: Solve for x
    x = 4,768,101.24/1,916.13
  6. Step 6: Final answer
    x = 2,488.40

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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.