Home / 1,723.56-2,378.74-1,025.32

Finding the Fourth Proportional to 1,723.56, 2,378.74 and 1,025.32

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Solution

The fourth proportional to 1,723.56, 2,378.74 and 1,025.32 is: 1,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.56 : 2,378.74 = 1,025.32 : x
  2. Step 2: Convert to fraction form
    1,723.56/2,378.74 = 1,025.32/x
  3. Step 3: Cross multiply
    1,723.56x = 2,378.74 × 1,025.32
  4. Step 4: Simplify right side
    1,723.56x = 2,438,969.70
  5. Step 5: Solve for x
    x = 2,438,969.70/1,723.56
  6. Step 6: Final answer
    x = 1,415.08

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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.