Home / 1,873.29-2,807.49-1,355.04

Finding the Fourth Proportional to 1,873.29, 2,807.49 and 1,355.04

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Solution

The fourth proportional to 1,873.29, 2,807.49 and 1,355.04 is: 2,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.29 : 2,807.49 = 1,355.04 : x
  2. Step 2: Convert to fraction form
    1,873.29/2,807.49 = 1,355.04/x
  3. Step 3: Cross multiply
    1,873.29x = 2,807.49 × 1,355.04
  4. Step 4: Simplify right side
    1,873.29x = 3,804,261.25
  5. Step 5: Solve for x
    x = 3,804,261.25/1,873.29
  6. Step 6: Final answer
    x = 2,030.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.