Home / 4,253.40-5,869.70-2,485.12

Finding the Fourth Proportional to 4,253.40, 5,869.70 and 2,485.12

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Solution

The fourth proportional to 4,253.40, 5,869.70 and 2,485.12 is: 3,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.40 : 5,869.70 = 2,485.12 : x
  2. Step 2: Convert to fraction form
    4,253.40/5,869.70 = 2,485.12/x
  3. Step 3: Cross multiply
    4,253.40x = 5,869.70 × 2,485.12
  4. Step 4: Simplify right side
    4,253.40x = 14,586,908.86
  5. Step 5: Solve for x
    x = 14,586,908.86/4,253.40
  6. Step 6: Final answer
    x = 3,429.47

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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.