Home / 1,769.19-2,653.74-470.67

Finding the Fourth Proportional to 1,769.19, 2,653.74 and 470.67

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Solution

The fourth proportional to 1,769.19, 2,653.74 and 470.67 is: 705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.19 : 2,653.74 = 470.67 : x
  2. Step 2: Convert to fraction form
    1,769.19/2,653.74 = 470.67/x
  3. Step 3: Cross multiply
    1,769.19x = 2,653.74 × 470.67
  4. Step 4: Simplify right side
    1,769.19x = 1,249,035.81
  5. Step 5: Solve for x
    x = 1,249,035.81/1,769.19
  6. Step 6: Final answer
    x = 705.99

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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.