Home / 3,459.15-4,774.64-2,411.55

Finding the Fourth Proportional to 3,459.15, 4,774.64 and 2,411.55

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Solution

The fourth proportional to 3,459.15, 4,774.64 and 2,411.55 is: 3,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.15 : 4,774.64 = 2,411.55 : x
  2. Step 2: Convert to fraction form
    3,459.15/4,774.64 = 2,411.55/x
  3. Step 3: Cross multiply
    3,459.15x = 4,774.64 × 2,411.55
  4. Step 4: Simplify right side
    3,459.15x = 11,514,265.25
  5. Step 5: Solve for x
    x = 11,514,265.25/3,459.15
  6. Step 6: Final answer
    x = 3,328.64

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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.