Home / 1,548.80-2,136-1,106.96

Finding the Fourth Proportional to 1,548.80, 2,136 and 1,106.96

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Solution

The fourth proportional to 1,548.80, 2,136 and 1,106.96 is: 1,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.80 : 2,136 = 1,106.96 : x
  2. Step 2: Convert to fraction form
    1,548.80/2,136 = 1,106.96/x
  3. Step 3: Cross multiply
    1,548.80x = 2,136 × 1,106.96
  4. Step 4: Simplify right side
    1,548.80x = 2,364,466.56
  5. Step 5: Solve for x
    x = 2,364,466.56/1,548.80
  6. Step 6: Final answer
    x = 1,526.64

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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.