Home / 3,573.18-4,929.32-2,378.77

Finding the Fourth Proportional to 3,573.18, 4,929.32 and 2,378.77

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Solution

The fourth proportional to 3,573.18, 4,929.32 and 2,378.77 is: 3,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.18 : 4,929.32 = 2,378.77 : x
  2. Step 2: Convert to fraction form
    3,573.18/4,929.32 = 2,378.77/x
  3. Step 3: Cross multiply
    3,573.18x = 4,929.32 × 2,378.77
  4. Step 4: Simplify right side
    3,573.18x = 11,725,712.16
  5. Step 5: Solve for x
    x = 11,725,712.16/3,573.18
  6. Step 6: Final answer
    x = 3,281.59

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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.