Home / 4,970.40-7,459.92-2,050.80

Finding the Fourth Proportional to 4,970.40, 7,459.92 and 2,050.80

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Solution

The fourth proportional to 4,970.40, 7,459.92 and 2,050.80 is: 3,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.40 : 7,459.92 = 2,050.80 : x
  2. Step 2: Convert to fraction form
    4,970.40/7,459.92 = 2,050.80/x
  3. Step 3: Cross multiply
    4,970.40x = 7,459.92 × 2,050.80
  4. Step 4: Simplify right side
    4,970.40x = 15,298,803.94
  5. Step 5: Solve for x
    x = 15,298,803.94/4,970.40
  6. Step 6: Final answer
    x = 3,077.98

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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.