Home / 3,250.95-4,875.61-1,276.98

Finding the Fourth Proportional to 3,250.95, 4,875.61 and 1,276.98

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Solution

The fourth proportional to 3,250.95, 4,875.61 and 1,276.98 is: 1,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.95 : 4,875.61 = 1,276.98 : x
  2. Step 2: Convert to fraction form
    3,250.95/4,875.61 = 1,276.98/x
  3. Step 3: Cross multiply
    3,250.95x = 4,875.61 × 1,276.98
  4. Step 4: Simplify right side
    3,250.95x = 6,226,056.46
  5. Step 5: Solve for x
    x = 6,226,056.46/3,250.95
  6. Step 6: Final answer
    x = 1,915.15

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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.