Home / 2,403.00-3,316.75-1,355.67

Finding the Fourth Proportional to 2,403.00, 3,316.75 and 1,355.67

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Solution

The fourth proportional to 2,403.00, 3,316.75 and 1,355.67 is: 1,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.00 : 3,316.75 = 1,355.67 : x
  2. Step 2: Convert to fraction form
    2,403.00/3,316.75 = 1,355.67/x
  3. Step 3: Cross multiply
    2,403.00x = 3,316.75 × 1,355.67
  4. Step 4: Simplify right side
    2,403.00x = 4,496,430.06
  5. Step 5: Solve for x
    x = 4,496,430.06/2,403.00
  6. Step 6: Final answer
    x = 1,871.17

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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.