Home / 3,293.42-4,545.05-1,801.40

Finding the Fourth Proportional to 3,293.42, 4,545.05 and 1,801.40

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Solution

The fourth proportional to 3,293.42, 4,545.05 and 1,801.40 is: 2,486.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.42 : 4,545.05 = 1,801.40 : x
  2. Step 2: Convert to fraction form
    3,293.42/4,545.05 = 1,801.40/x
  3. Step 3: Cross multiply
    3,293.42x = 4,545.05 × 1,801.40
  4. Step 4: Simplify right side
    3,293.42x = 8,187,421.34
  5. Step 5: Solve for x
    x = 8,187,421.34/3,293.42
  6. Step 6: Final answer
    x = 2,486.00

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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.