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Finding the Fourth Proportional to 2,386.83, 3,580.25 and 846.75

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Solution

The fourth proportional to 2,386.83, 3,580.25 and 846.75 is: 1,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.83 : 3,580.25 = 846.75 : x
  2. Step 2: Convert to fraction form
    2,386.83/3,580.25 = 846.75/x
  3. Step 3: Cross multiply
    2,386.83x = 3,580.25 × 846.75
  4. Step 4: Simplify right side
    2,386.83x = 3,031,572.45
  5. Step 5: Solve for x
    x = 3,031,572.45/2,386.83
  6. Step 6: Final answer
    x = 1,270.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.