Home / 2,430.25-3,353.61-1,368.19

Finding the Fourth Proportional to 2,430.25, 3,353.61 and 1,368.19

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Solution

The fourth proportional to 2,430.25, 3,353.61 and 1,368.19 is: 1,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.25 : 3,353.61 = 1,368.19 : x
  2. Step 2: Convert to fraction form
    2,430.25/3,353.61 = 1,368.19/x
  3. Step 3: Cross multiply
    2,430.25x = 3,353.61 × 1,368.19
  4. Step 4: Simplify right side
    2,430.25x = 4,588,375.67
  5. Step 5: Solve for x
    x = 4,588,375.67/2,430.25
  6. Step 6: Final answer
    x = 1,888.03

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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.