Home / 3,480.19-4,802.85-2,064.71

Finding the Fourth Proportional to 3,480.19, 4,802.85 and 2,064.71

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Solution

The fourth proportional to 3,480.19, 4,802.85 and 2,064.71 is: 2,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.19 : 4,802.85 = 2,064.71 : x
  2. Step 2: Convert to fraction form
    3,480.19/4,802.85 = 2,064.71/x
  3. Step 3: Cross multiply
    3,480.19x = 4,802.85 × 2,064.71
  4. Step 4: Simplify right side
    3,480.19x = 9,916,492.42
  5. Step 5: Solve for x
    x = 9,916,492.42/3,480.19
  6. Step 6: Final answer
    x = 2,849.41

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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.