Home / 2,430.42-3,353.99-1,368.11

Finding the Fourth Proportional to 2,430.42, 3,353.99 and 1,368.11

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Solution

The fourth proportional to 2,430.42, 3,353.99 and 1,368.11 is: 1,887.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.42 : 3,353.99 = 1,368.11 : x
  2. Step 2: Convert to fraction form
    2,430.42/3,353.99 = 1,368.11/x
  3. Step 3: Cross multiply
    2,430.42x = 3,353.99 × 1,368.11
  4. Step 4: Simplify right side
    2,430.42x = 4,588,603.65
  5. Step 5: Solve for x
    x = 4,588,603.65/2,430.42
  6. Step 6: Final answer
    x = 1,887.99

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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.