Home / 1,184.55-1,634.90-1,148.07

Finding the Fourth Proportional to 1,184.55, 1,634.90 and 1,148.07

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Solution

The fourth proportional to 1,184.55, 1,634.90 and 1,148.07 is: 1,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.55 : 1,634.90 = 1,148.07 : x
  2. Step 2: Convert to fraction form
    1,184.55/1,634.90 = 1,148.07/x
  3. Step 3: Cross multiply
    1,184.55x = 1,634.90 × 1,148.07
  4. Step 4: Simplify right side
    1,184.55x = 1,876,973.90
  5. Step 5: Solve for x
    x = 1,876,973.90/1,184.55
  6. Step 6: Final answer
    x = 1,584.55

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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.