Home / 4,253.40-5,870.04-2,485.56

Finding the Fourth Proportional to 4,253.40, 5,870.04 and 2,485.56

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Solution

The fourth proportional to 4,253.40, 5,870.04 and 2,485.56 is: 3,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.40 : 5,870.04 = 2,485.56 : x
  2. Step 2: Convert to fraction form
    4,253.40/5,870.04 = 2,485.56/x
  3. Step 3: Cross multiply
    4,253.40x = 5,870.04 × 2,485.56
  4. Step 4: Simplify right side
    4,253.40x = 14,590,336.62
  5. Step 5: Solve for x
    x = 14,590,336.62/4,253.40
  6. Step 6: Final answer
    x = 3,430.28

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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.