Home / 1,931.32-2,890.06-1,672.22

Finding the Fourth Proportional to 1,931.32, 2,890.06 and 1,672.22

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Solution

The fourth proportional to 1,931.32, 2,890.06 and 1,672.22 is: 2,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.32 : 2,890.06 = 1,672.22 : x
  2. Step 2: Convert to fraction form
    1,931.32/2,890.06 = 1,672.22/x
  3. Step 3: Cross multiply
    1,931.32x = 2,890.06 × 1,672.22
  4. Step 4: Simplify right side
    1,931.32x = 4,832,797.50
  5. Step 5: Solve for x
    x = 4,832,797.50/1,931.32
  6. Step 6: Final answer
    x = 2,502.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.