Home / 1,548.05-2,333.34-1,389.56

Finding the Fourth Proportional to 1,548.05, 2,333.34 and 1,389.56

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Solution

The fourth proportional to 1,548.05, 2,333.34 and 1,389.56 is: 2,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.05 : 2,333.34 = 1,389.56 : x
  2. Step 2: Convert to fraction form
    1,548.05/2,333.34 = 1,389.56/x
  3. Step 3: Cross multiply
    1,548.05x = 2,333.34 × 1,389.56
  4. Step 4: Simplify right side
    1,548.05x = 3,242,304.26
  5. Step 5: Solve for x
    x = 3,242,304.26/1,548.05
  6. Step 6: Final answer
    x = 2,094.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.