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Finding the Fourth Proportional to 3,570, 5,355.07 and 973.01

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Solution

The fourth proportional to 3,570, 5,355.07 and 973.01 is: 1,459.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570 : 5,355.07 = 973.01 : x
  2. Step 2: Convert to fraction form
    3,570/5,355.07 = 973.01/x
  3. Step 3: Cross multiply
    3,570x = 5,355.07 × 973.01
  4. Step 4: Simplify right side
    3,570x = 5,210,507.45
  5. Step 5: Solve for x
    x = 5,210,507.45/3,570
  6. Step 6: Final answer
    x = 1,459.53

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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.