Home / 3,521.36-5,277.93-1,572.20

Finding the Fourth Proportional to 3,521.36, 5,277.93 and 1,572.20

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Solution

The fourth proportional to 3,521.36, 5,277.93 and 1,572.20 is: 2,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.36 : 5,277.93 = 1,572.20 : x
  2. Step 2: Convert to fraction form
    3,521.36/5,277.93 = 1,572.20/x
  3. Step 3: Cross multiply
    3,521.36x = 5,277.93 × 1,572.20
  4. Step 4: Simplify right side
    3,521.36x = 8,297,935.16
  5. Step 5: Solve for x
    x = 8,297,935.16/3,521.36
  6. Step 6: Final answer
    x = 2,356.46

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1.5x scale

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.