Home / 2,157.32-2,977.46-1,763.56

Finding the Fourth Proportional to 2,157.32, 2,977.46 and 1,763.56

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Solution

The fourth proportional to 2,157.32, 2,977.46 and 1,763.56 is: 2,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.32 : 2,977.46 = 1,763.56 : x
  2. Step 2: Convert to fraction form
    2,157.32/2,977.46 = 1,763.56/x
  3. Step 3: Cross multiply
    2,157.32x = 2,977.46 × 1,763.56
  4. Step 4: Simplify right side
    2,157.32x = 5,250,929.36
  5. Step 5: Solve for x
    x = 5,250,929.36/2,157.32
  6. Step 6: Final answer
    x = 2,434.01

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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.