Home / 1,573.05-2,345.84-1,378.96

Finding the Fourth Proportional to 1,573.05, 2,345.84 and 1,378.96

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Solution

The fourth proportional to 1,573.05, 2,345.84 and 1,378.96 is: 2,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.05 : 2,345.84 = 1,378.96 : x
  2. Step 2: Convert to fraction form
    1,573.05/2,345.84 = 1,378.96/x
  3. Step 3: Cross multiply
    1,573.05x = 2,345.84 × 1,378.96
  4. Step 4: Simplify right side
    1,573.05x = 3,234,819.69
  5. Step 5: Solve for x
    x = 3,234,819.69/1,573.05
  6. Step 6: Final answer
    x = 2,056.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.