Home / 1,548.77-2,137.93-1,155.11

Finding the Fourth Proportional to 1,548.77, 2,137.93 and 1,155.11

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Solution

The fourth proportional to 1,548.77, 2,137.93 and 1,155.11 is: 1,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.77 : 2,137.93 = 1,155.11 : x
  2. Step 2: Convert to fraction form
    1,548.77/2,137.93 = 1,155.11/x
  3. Step 3: Cross multiply
    1,548.77x = 2,137.93 × 1,155.11
  4. Step 4: Simplify right side
    1,548.77x = 2,469,530.74
  5. Step 5: Solve for x
    x = 2,469,530.74/1,548.77
  6. Step 6: Final answer
    x = 1,594.52

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Double scale
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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.