Home / 3,478.40-4,802.04-2,365.28

Finding the Fourth Proportional to 3,478.40, 4,802.04 and 2,365.28

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Solution

The fourth proportional to 3,478.40, 4,802.04 and 2,365.28 is: 3,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.40 : 4,802.04 = 2,365.28 : x
  2. Step 2: Convert to fraction form
    3,478.40/4,802.04 = 2,365.28/x
  3. Step 3: Cross multiply
    3,478.40x = 4,802.04 × 2,365.28
  4. Step 4: Simplify right side
    3,478.40x = 11,358,169.17
  5. Step 5: Solve for x
    x = 11,358,169.17/3,478.40
  6. Step 6: Final answer
    x = 3,265.34

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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.