Home / 3,125.18-4,688.55-2,570.77

Finding the Fourth Proportional to 3,125.18, 4,688.55 and 2,570.77

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Solution

The fourth proportional to 3,125.18, 4,688.55 and 2,570.77 is: 3,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.18 : 4,688.55 = 2,570.77 : x
  2. Step 2: Convert to fraction form
    3,125.18/4,688.55 = 2,570.77/x
  3. Step 3: Cross multiply
    3,125.18x = 4,688.55 × 2,570.77
  4. Step 4: Simplify right side
    3,125.18x = 12,053,189.54
  5. Step 5: Solve for x
    x = 12,053,189.54/3,125.18
  6. Step 6: Final answer
    x = 3,856.80

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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.