Home / 2,438.61-3,365.67-1,554.71

Finding the Fourth Proportional to 2,438.61, 3,365.67 and 1,554.71

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Solution

The fourth proportional to 2,438.61, 3,365.67 and 1,554.71 is: 2,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.61 : 3,365.67 = 1,554.71 : x
  2. Step 2: Convert to fraction form
    2,438.61/3,365.67 = 1,554.71/x
  3. Step 3: Cross multiply
    2,438.61x = 3,365.67 × 1,554.71
  4. Step 4: Simplify right side
    2,438.61x = 5,232,623.98
  5. Step 5: Solve for x
    x = 5,232,623.98/2,438.61
  6. Step 6: Final answer
    x = 2,145.74

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1.5x scale

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.