Home / 3,561.40-5,344.01-1,830.02

Finding the Fourth Proportional to 3,561.40, 5,344.01 and 1,830.02

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Solution

The fourth proportional to 3,561.40, 5,344.01 and 1,830.02 is: 2,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.40 : 5,344.01 = 1,830.02 : x
  2. Step 2: Convert to fraction form
    3,561.40/5,344.01 = 1,830.02/x
  3. Step 3: Cross multiply
    3,561.40x = 5,344.01 × 1,830.02
  4. Step 4: Simplify right side
    3,561.40x = 9,779,636.03
  5. Step 5: Solve for x
    x = 9,779,636.03/3,561.40
  6. Step 6: Final answer
    x = 2,746.01

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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.