Home / 3,701.34-5,547.30-1,620.80

Finding the Fourth Proportional to 3,701.34, 5,547.30 and 1,620.80

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Solution

The fourth proportional to 3,701.34, 5,547.30 and 1,620.80 is: 2,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.34 : 5,547.30 = 1,620.80 : x
  2. Step 2: Convert to fraction form
    3,701.34/5,547.30 = 1,620.80/x
  3. Step 3: Cross multiply
    3,701.34x = 5,547.30 × 1,620.80
  4. Step 4: Simplify right side
    3,701.34x = 8,991,036.10
  5. Step 5: Solve for x
    x = 8,991,036.10/3,701.34
  6. Step 6: Final answer
    x = 2,429.13

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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.