Home / 3,479.08-4,802.82-2,430.76

Finding the Fourth Proportional to 3,479.08, 4,802.82 and 2,430.76

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Solution

The fourth proportional to 3,479.08, 4,802.82 and 2,430.76 is: 3,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.08 : 4,802.82 = 2,430.76 : x
  2. Step 2: Convert to fraction form
    3,479.08/4,802.82 = 2,430.76/x
  3. Step 3: Cross multiply
    3,479.08x = 4,802.82 × 2,430.76
  4. Step 4: Simplify right side
    3,479.08x = 11,674,502.74
  5. Step 5: Solve for x
    x = 11,674,502.74/3,479.08
  6. Step 6: Final answer
    x = 3,355.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.