Home / 2,802.25-4,194.87-1,870.35

Finding the Fourth Proportional to 2,802.25, 4,194.87 and 1,870.35

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Solution

The fourth proportional to 2,802.25, 4,194.87 and 1,870.35 is: 2,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.25 : 4,194.87 = 1,870.35 : x
  2. Step 2: Convert to fraction form
    2,802.25/4,194.87 = 1,870.35/x
  3. Step 3: Cross multiply
    2,802.25x = 4,194.87 × 1,870.35
  4. Step 4: Simplify right side
    2,802.25x = 7,845,875.10
  5. Step 5: Solve for x
    x = 7,845,875.10/2,802.25
  6. Step 6: Final answer
    x = 2,799.85

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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.