Home / 2,395.28-3,319.60-2,358.80

Finding the Fourth Proportional to 2,395.28, 3,319.60 and 2,358.80

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Solution

The fourth proportional to 2,395.28, 3,319.60 and 2,358.80 is: 3,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.28 : 3,319.60 = 2,358.80 : x
  2. Step 2: Convert to fraction form
    2,395.28/3,319.60 = 2,358.80/x
  3. Step 3: Cross multiply
    2,395.28x = 3,319.60 × 2,358.80
  4. Step 4: Simplify right side
    2,395.28x = 7,830,272.48
  5. Step 5: Solve for x
    x = 7,830,272.48/2,395.28
  6. Step 6: Final answer
    x = 3,269.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.