Home / 2,520.64-3,475.38-1,930.24

Finding the Fourth Proportional to 2,520.64, 3,475.38 and 1,930.24

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Solution

The fourth proportional to 2,520.64, 3,475.38 and 1,930.24 is: 2,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.64 : 3,475.38 = 1,930.24 : x
  2. Step 2: Convert to fraction form
    2,520.64/3,475.38 = 1,930.24/x
  3. Step 3: Cross multiply
    2,520.64x = 3,475.38 × 1,930.24
  4. Step 4: Simplify right side
    2,520.64x = 6,708,317.49
  5. Step 5: Solve for x
    x = 6,708,317.49/2,520.64
  6. Step 6: Final answer
    x = 2,661.35

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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.