Home / 2,365.40-3,548.14-1,392.19

Finding the Fourth Proportional to 2,365.40, 3,548.14 and 1,392.19

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Solution

The fourth proportional to 2,365.40, 3,548.14 and 1,392.19 is: 2,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.40 : 3,548.14 = 1,392.19 : x
  2. Step 2: Convert to fraction form
    2,365.40/3,548.14 = 1,392.19/x
  3. Step 3: Cross multiply
    2,365.40x = 3,548.14 × 1,392.19
  4. Step 4: Simplify right side
    2,365.40x = 4,939,672.68
  5. Step 5: Solve for x
    x = 4,939,672.68/2,365.40
  6. Step 6: Final answer
    x = 2,088.30

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1.5x scale

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.