Home / 2,429.60-3,352.80-1,434.92

Finding the Fourth Proportional to 2,429.60, 3,352.80 and 1,434.92

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Solution

The fourth proportional to 2,429.60, 3,352.80 and 1,434.92 is: 1,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.60 : 3,352.80 = 1,434.92 : x
  2. Step 2: Convert to fraction form
    2,429.60/3,352.80 = 1,434.92/x
  3. Step 3: Cross multiply
    2,429.60x = 3,352.80 × 1,434.92
  4. Step 4: Simplify right side
    2,429.60x = 4,810,999.78
  5. Step 5: Solve for x
    x = 4,810,999.78/2,429.60
  6. Step 6: Final answer
    x = 1,980.16

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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.