Home / 1,572.05-2,355.84-1,157.93

Finding the Fourth Proportional to 1,572.05, 2,355.84 and 1,157.93

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Solution

The fourth proportional to 1,572.05, 2,355.84 and 1,157.93 is: 1,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.05 : 2,355.84 = 1,157.93 : x
  2. Step 2: Convert to fraction form
    1,572.05/2,355.84 = 1,157.93/x
  3. Step 3: Cross multiply
    1,572.05x = 2,355.84 × 1,157.93
  4. Step 4: Simplify right side
    1,572.05x = 2,727,908.04
  5. Step 5: Solve for x
    x = 2,727,908.04/1,572.05
  6. Step 6: Final answer
    x = 1,735.25

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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.