Home / 2,430.07-3,353.49-1,382.13

Finding the Fourth Proportional to 2,430.07, 3,353.49 and 1,382.13

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Solution

The fourth proportional to 2,430.07, 3,353.49 and 1,382.13 is: 1,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.07 : 3,353.49 = 1,382.13 : x
  2. Step 2: Convert to fraction form
    2,430.07/3,353.49 = 1,382.13/x
  3. Step 3: Cross multiply
    2,430.07x = 3,353.49 × 1,382.13
  4. Step 4: Simplify right side
    2,430.07x = 4,634,959.13
  5. Step 5: Solve for x
    x = 4,634,959.13/2,430.07
  6. Step 6: Final answer
    x = 1,907.34

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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.