Home / 3,280.41-4,526.80-1,864.06

Finding the Fourth Proportional to 3,280.41, 4,526.80 and 1,864.06

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Solution

The fourth proportional to 3,280.41, 4,526.80 and 1,864.06 is: 2,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.41 : 4,526.80 = 1,864.06 : x
  2. Step 2: Convert to fraction form
    3,280.41/4,526.80 = 1,864.06/x
  3. Step 3: Cross multiply
    3,280.41x = 4,526.80 × 1,864.06
  4. Step 4: Simplify right side
    3,280.41x = 8,438,226.81
  5. Step 5: Solve for x
    x = 8,438,226.81/3,280.41
  6. Step 6: Final answer
    x = 2,572.31

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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.