Home / 2,925.32-4,035.81-1,804.31

Finding the Fourth Proportional to 2,925.32, 4,035.81 and 1,804.31

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Solution

The fourth proportional to 2,925.32, 4,035.81 and 1,804.31 is: 2,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.32 : 4,035.81 = 1,804.31 : x
  2. Step 2: Convert to fraction form
    2,925.32/4,035.81 = 1,804.31/x
  3. Step 3: Cross multiply
    2,925.32x = 4,035.81 × 1,804.31
  4. Step 4: Simplify right side
    2,925.32x = 7,281,868.55
  5. Step 5: Solve for x
    x = 7,281,868.55/2,925.32
  6. Step 6: Final answer
    x = 2,489.25

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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.