Home / 2,430.52-3,354.36-1,382.92

Finding the Fourth Proportional to 2,430.52, 3,354.36 and 1,382.92

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Solution

The fourth proportional to 2,430.52, 3,354.36 and 1,382.92 is: 1,908.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.52 : 3,354.36 = 1,382.92 : x
  2. Step 2: Convert to fraction form
    2,430.52/3,354.36 = 1,382.92/x
  3. Step 3: Cross multiply
    2,430.52x = 3,354.36 × 1,382.92
  4. Step 4: Simplify right side
    2,430.52x = 4,638,811.53
  5. Step 5: Solve for x
    x = 4,638,811.53/2,430.52
  6. Step 6: Final answer
    x = 1,908.57

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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.