Home / 3,570.08-5,355.12-1,927.40

Finding the Fourth Proportional to 3,570.08, 5,355.12 and 1,927.40

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Solution

The fourth proportional to 3,570.08, 5,355.12 and 1,927.40 is: 2,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.08 : 5,355.12 = 1,927.40 : x
  2. Step 2: Convert to fraction form
    3,570.08/5,355.12 = 1,927.40/x
  3. Step 3: Cross multiply
    3,570.08x = 5,355.12 × 1,927.40
  4. Step 4: Simplify right side
    3,570.08x = 10,321,431.51
  5. Step 5: Solve for x
    x = 10,321,431.51/3,570.08
  6. Step 6: Final answer
    x = 2,891.10

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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.