Home / 2,455.32-3,389.85-1,709.04

Finding the Fourth Proportional to 2,455.32, 3,389.85 and 1,709.04

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Solution

The fourth proportional to 2,455.32, 3,389.85 and 1,709.04 is: 2,359.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.32 : 3,389.85 = 1,709.04 : x
  2. Step 2: Convert to fraction form
    2,455.32/3,389.85 = 1,709.04/x
  3. Step 3: Cross multiply
    2,455.32x = 3,389.85 × 1,709.04
  4. Step 4: Simplify right side
    2,455.32x = 5,793,389.24
  5. Step 5: Solve for x
    x = 5,793,389.24/2,455.32
  6. Step 6: Final answer
    x = 2,359.53

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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.