Home / 2,346.49-3,504.75-2,123.78

Finding the Fourth Proportional to 2,346.49, 3,504.75 and 2,123.78

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Solution

The fourth proportional to 2,346.49, 3,504.75 and 2,123.78 is: 3,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.49 : 3,504.75 = 2,123.78 : x
  2. Step 2: Convert to fraction form
    2,346.49/3,504.75 = 2,123.78/x
  3. Step 3: Cross multiply
    2,346.49x = 3,504.75 × 2,123.78
  4. Step 4: Simplify right side
    2,346.49x = 7,443,317.96
  5. Step 5: Solve for x
    x = 7,443,317.96/2,346.49
  6. Step 6: Final answer
    x = 3,172.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.