Home / 3,574.47-5,360.90-977.07

Finding the Fourth Proportional to 3,574.47, 5,360.90 and 977.07

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Solution

The fourth proportional to 3,574.47, 5,360.90 and 977.07 is: 1,465.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.47 : 5,360.90 = 977.07 : x
  2. Step 2: Convert to fraction form
    3,574.47/5,360.90 = 977.07/x
  3. Step 3: Cross multiply
    3,574.47x = 5,360.90 × 977.07
  4. Step 4: Simplify right side
    3,574.47x = 5,237,969.68
  5. Step 5: Solve for x
    x = 5,237,969.68/3,574.47
  6. Step 6: Final answer
    x = 1,465.38

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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.