Home / 2,277.92-3,143.00-1,570.39

Finding the Fourth Proportional to 2,277.92, 3,143.00 and 1,570.39

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Solution

The fourth proportional to 2,277.92, 3,143.00 and 1,570.39 is: 2,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.92 : 3,143.00 = 1,570.39 : x
  2. Step 2: Convert to fraction form
    2,277.92/3,143.00 = 1,570.39/x
  3. Step 3: Cross multiply
    2,277.92x = 3,143.00 × 1,570.39
  4. Step 4: Simplify right side
    2,277.92x = 4,935,731.84
  5. Step 5: Solve for x
    x = 4,935,731.84/2,277.92
  6. Step 6: Final answer
    x = 2,166.77

Related Problems

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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.