Home / 2,290.08-3,430.80-2,030.88

Finding the Fourth Proportional to 2,290.08, 3,430.80 and 2,030.88

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Solution

The fourth proportional to 2,290.08, 3,430.80 and 2,030.88 is: 3,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.08 : 3,430.80 = 2,030.88 : x
  2. Step 2: Convert to fraction form
    2,290.08/3,430.80 = 2,030.88/x
  3. Step 3: Cross multiply
    2,290.08x = 3,430.80 × 2,030.88
  4. Step 4: Simplify right side
    2,290.08x = 6,967,543.10
  5. Step 5: Solve for x
    x = 6,967,543.10/2,290.08
  6. Step 6: Final answer
    x = 3,042.49

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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.