Home / 1,503.03-2,074.23-839.96

Finding the Fourth Proportional to 1,503.03, 2,074.23 and 839.96

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Solution

The fourth proportional to 1,503.03, 2,074.23 and 839.96 is: 1,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.03 : 2,074.23 = 839.96 : x
  2. Step 2: Convert to fraction form
    1,503.03/2,074.23 = 839.96/x
  3. Step 3: Cross multiply
    1,503.03x = 2,074.23 × 839.96
  4. Step 4: Simplify right side
    1,503.03x = 1,742,259.86
  5. Step 5: Solve for x
    x = 1,742,259.86/1,503.03
  6. Step 6: Final answer
    x = 1,159.17

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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.