Home / 1,935.17-2,669.68-1,148.77

Finding the Fourth Proportional to 1,935.17, 2,669.68 and 1,148.77

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Solution

The fourth proportional to 1,935.17, 2,669.68 and 1,148.77 is: 1,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.17 : 2,669.68 = 1,148.77 : x
  2. Step 2: Convert to fraction form
    1,935.17/2,669.68 = 1,148.77/x
  3. Step 3: Cross multiply
    1,935.17x = 2,669.68 × 1,148.77
  4. Step 4: Simplify right side
    1,935.17x = 3,066,841.28
  5. Step 5: Solve for x
    x = 3,066,841.28/1,935.17
  6. Step 6: Final answer
    x = 1,584.79

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Half scale
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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.