Home / 1,573.32-2,171.01-943.68

Finding the Fourth Proportional to 1,573.32, 2,171.01 and 943.68

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Solution

The fourth proportional to 1,573.32, 2,171.01 and 943.68 is: 1,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.32 : 2,171.01 = 943.68 : x
  2. Step 2: Convert to fraction form
    1,573.32/2,171.01 = 943.68/x
  3. Step 3: Cross multiply
    1,573.32x = 2,171.01 × 943.68
  4. Step 4: Simplify right side
    1,573.32x = 2,048,738.72
  5. Step 5: Solve for x
    x = 2,048,738.72/1,573.32
  6. Step 6: Final answer
    x = 1,302.18

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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.