Home / 3,292.60-4,931.70-2,927.80

Finding the Fourth Proportional to 3,292.60, 4,931.70 and 2,927.80

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Solution

The fourth proportional to 3,292.60, 4,931.70 and 2,927.80 is: 4,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.60 : 4,931.70 = 2,927.80 : x
  2. Step 2: Convert to fraction form
    3,292.60/4,931.70 = 2,927.80/x
  3. Step 3: Cross multiply
    3,292.60x = 4,931.70 × 2,927.80
  4. Step 4: Simplify right side
    3,292.60x = 14,439,031.26
  5. Step 5: Solve for x
    x = 14,439,031.26/3,292.60
  6. Step 6: Final answer
    x = 4,385.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.