Home / 1,890.54-2,609.06-1,051.34

Finding the Fourth Proportional to 1,890.54, 2,609.06 and 1,051.34

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Solution

The fourth proportional to 1,890.54, 2,609.06 and 1,051.34 is: 1,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.54 : 2,609.06 = 1,051.34 : x
  2. Step 2: Convert to fraction form
    1,890.54/2,609.06 = 1,051.34/x
  3. Step 3: Cross multiply
    1,890.54x = 2,609.06 × 1,051.34
  4. Step 4: Simplify right side
    1,890.54x = 2,742,990.84
  5. Step 5: Solve for x
    x = 2,742,990.84/1,890.54
  6. Step 6: Final answer
    x = 1,450.90

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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.