Home / 4,079.02-5,628.98-2,485.30

Finding the Fourth Proportional to 4,079.02, 5,628.98 and 2,485.30

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Solution

The fourth proportional to 4,079.02, 5,628.98 and 2,485.30 is: 3,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.02 : 5,628.98 = 2,485.30 : x
  2. Step 2: Convert to fraction form
    4,079.02/5,628.98 = 2,485.30/x
  3. Step 3: Cross multiply
    4,079.02x = 5,628.98 × 2,485.30
  4. Step 4: Simplify right side
    4,079.02x = 13,989,703.99
  5. Step 5: Solve for x
    x = 13,989,703.99/4,079.02
  6. Step 6: Final answer
    x = 3,429.67

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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.