Home / 2,925.25-4,036.93-1,806.23

Finding the Fourth Proportional to 2,925.25, 4,036.93 and 1,806.23

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Solution

The fourth proportional to 2,925.25, 4,036.93 and 1,806.23 is: 2,492.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.25 : 4,036.93 = 1,806.23 : x
  2. Step 2: Convert to fraction form
    2,925.25/4,036.93 = 1,806.23/x
  3. Step 3: Cross multiply
    2,925.25x = 4,036.93 × 1,806.23
  4. Step 4: Simplify right side
    2,925.25x = 7,291,624.07
  5. Step 5: Solve for x
    x = 7,291,624.07/2,925.25
  6. Step 6: Final answer
    x = 2,492.65

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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.