Home / 2,430.29-3,622.35-2,291.91

Finding the Fourth Proportional to 2,430.29, 3,622.35 and 2,291.91

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Solution

The fourth proportional to 2,430.29, 3,622.35 and 2,291.91 is: 3,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.29 : 3,622.35 = 2,291.91 : x
  2. Step 2: Convert to fraction form
    2,430.29/3,622.35 = 2,291.91/x
  3. Step 3: Cross multiply
    2,430.29x = 3,622.35 × 2,291.91
  4. Step 4: Simplify right side
    2,430.29x = 8,302,100.19
  5. Step 5: Solve for x
    x = 8,302,100.19/2,430.29
  6. Step 6: Final answer
    x = 3,416.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.