Home / 3,465.55-4,782.40-1,893.61

Finding the Fourth Proportional to 3,465.55, 4,782.40 and 1,893.61

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Solution

The fourth proportional to 3,465.55, 4,782.40 and 1,893.61 is: 2,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.55 : 4,782.40 = 1,893.61 : x
  2. Step 2: Convert to fraction form
    3,465.55/4,782.40 = 1,893.61/x
  3. Step 3: Cross multiply
    3,465.55x = 4,782.40 × 1,893.61
  4. Step 4: Simplify right side
    3,465.55x = 9,056,000.46
  5. Step 5: Solve for x
    x = 9,056,000.46/3,465.55
  6. Step 6: Final answer
    x = 2,613.15

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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.