Home / 1,548.42-2,136.20-957.93

Finding the Fourth Proportional to 1,548.42, 2,136.20 and 957.93

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Solution

The fourth proportional to 1,548.42, 2,136.20 and 957.93 is: 1,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.42 : 2,136.20 = 957.93 : x
  2. Step 2: Convert to fraction form
    1,548.42/2,136.20 = 957.93/x
  3. Step 3: Cross multiply
    1,548.42x = 2,136.20 × 957.93
  4. Step 4: Simplify right side
    1,548.42x = 2,046,325.28
  5. Step 5: Solve for x
    x = 2,046,325.28/1,548.42
  6. Step 6: Final answer
    x = 1,321.56

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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.