Home / 2,686.37-4,032.99-2,070.50

Finding the Fourth Proportional to 2,686.37, 4,032.99 and 2,070.50

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Solution

The fourth proportional to 2,686.37, 4,032.99 and 2,070.50 is: 3,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.37 : 4,032.99 = 2,070.50 : x
  2. Step 2: Convert to fraction form
    2,686.37/4,032.99 = 2,070.50/x
  3. Step 3: Cross multiply
    2,686.37x = 4,032.99 × 2,070.50
  4. Step 4: Simplify right side
    2,686.37x = 8,350,285.63
  5. Step 5: Solve for x
    x = 8,350,285.63/2,686.37
  6. Step 6: Final answer
    x = 3,108.40

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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.