Home / 3,529.96-4,870.76-2,038.08

Finding the Fourth Proportional to 3,529.96, 4,870.76 and 2,038.08

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Solution

The fourth proportional to 3,529.96, 4,870.76 and 2,038.08 is: 2,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.96 : 4,870.76 = 2,038.08 : x
  2. Step 2: Convert to fraction form
    3,529.96/4,870.76 = 2,038.08/x
  3. Step 3: Cross multiply
    3,529.96x = 4,870.76 × 2,038.08
  4. Step 4: Simplify right side
    3,529.96x = 9,926,998.54
  5. Step 5: Solve for x
    x = 9,926,998.54/3,529.96
  6. Step 6: Final answer
    x = 2,812.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.