Home / 3,465.04-4,781.84-1,893.20

Finding the Fourth Proportional to 3,465.04, 4,781.84 and 1,893.20

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Solution

The fourth proportional to 3,465.04, 4,781.84 and 1,893.20 is: 2,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.04 : 4,781.84 = 1,893.20 : x
  2. Step 2: Convert to fraction form
    3,465.04/4,781.84 = 1,893.20/x
  3. Step 3: Cross multiply
    3,465.04x = 4,781.84 × 1,893.20
  4. Step 4: Simplify right side
    3,465.04x = 9,052,979.49
  5. Step 5: Solve for x
    x = 9,052,979.49/3,465.04
  6. Step 6: Final answer
    x = 2,612.66

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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.