Home / 1,184.39-1,636.62-1,127.48

Finding the Fourth Proportional to 1,184.39, 1,636.62 and 1,127.48

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Solution

The fourth proportional to 1,184.39, 1,636.62 and 1,127.48 is: 1,557.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.39 : 1,636.62 = 1,127.48 : x
  2. Step 2: Convert to fraction form
    1,184.39/1,636.62 = 1,127.48/x
  3. Step 3: Cross multiply
    1,184.39x = 1,636.62 × 1,127.48
  4. Step 4: Simplify right side
    1,184.39x = 1,845,256.32
  5. Step 5: Solve for x
    x = 1,845,256.32/1,184.39
  6. Step 6: Final answer
    x = 1,557.99

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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.