Home / 4,254.78-5,870.75-2,485.92

Finding the Fourth Proportional to 4,254.78, 5,870.75 and 2,485.92

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Solution

The fourth proportional to 4,254.78, 5,870.75 and 2,485.92 is: 3,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.78 : 5,870.75 = 2,485.92 : x
  2. Step 2: Convert to fraction form
    4,254.78/5,870.75 = 2,485.92/x
  3. Step 3: Cross multiply
    4,254.78x = 5,870.75 × 2,485.92
  4. Step 4: Simplify right side
    4,254.78x = 14,594,202.41
  5. Step 5: Solve for x
    x = 14,594,202.41/4,254.78
  6. Step 6: Final answer
    x = 3,430.07

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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.