Home / 2,402.07-3,313.62-1,354.20

Finding the Fourth Proportional to 2,402.07, 3,313.62 and 1,354.20

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Solution

The fourth proportional to 2,402.07, 3,313.62 and 1,354.20 is: 1,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.07 : 3,313.62 = 1,354.20 : x
  2. Step 2: Convert to fraction form
    2,402.07/3,313.62 = 1,354.20/x
  3. Step 3: Cross multiply
    2,402.07x = 3,313.62 × 1,354.20
  4. Step 4: Simplify right side
    2,402.07x = 4,487,304.20
  5. Step 5: Solve for x
    x = 4,487,304.20/2,402.07
  6. Step 6: Final answer
    x = 1,868.10

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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.