Home / 4,254.09-5,870.79-2,485.66

Finding the Fourth Proportional to 4,254.09, 5,870.79 and 2,485.66

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Solution

The fourth proportional to 4,254.09, 5,870.79 and 2,485.66 is: 3,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.09 : 5,870.79 = 2,485.66 : x
  2. Step 2: Convert to fraction form
    4,254.09/5,870.79 = 2,485.66/x
  3. Step 3: Cross multiply
    4,254.09x = 5,870.79 × 2,485.66
  4. Step 4: Simplify right side
    4,254.09x = 14,592,773.19
  5. Step 5: Solve for x
    x = 14,592,773.19/4,254.09
  6. Step 6: Final answer
    x = 3,430.29

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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.