Home / 2,925.40-4,389.46-1,693.84

Finding the Fourth Proportional to 2,925.40, 4,389.46 and 1,693.84

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Solution

The fourth proportional to 2,925.40, 4,389.46 and 1,693.84 is: 2,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.40 : 4,389.46 = 1,693.84 : x
  2. Step 2: Convert to fraction form
    2,925.40/4,389.46 = 1,693.84/x
  3. Step 3: Cross multiply
    2,925.40x = 4,389.46 × 1,693.84
  4. Step 4: Simplify right side
    2,925.40x = 7,435,042.93
  5. Step 5: Solve for x
    x = 7,435,042.93/2,925.40
  6. Step 6: Final answer
    x = 2,541.55

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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.