Home / 2,864.55-4,296.75-1,403.40

Finding the Fourth Proportional to 2,864.55, 4,296.75 and 1,403.40

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Solution

The fourth proportional to 2,864.55, 4,296.75 and 1,403.40 is: 2,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.55 : 4,296.75 = 1,403.40 : x
  2. Step 2: Convert to fraction form
    2,864.55/4,296.75 = 1,403.40/x
  3. Step 3: Cross multiply
    2,864.55x = 4,296.75 × 1,403.40
  4. Step 4: Simplify right side
    2,864.55x = 6,030,058.95
  5. Step 5: Solve for x
    x = 6,030,058.95/2,864.55
  6. Step 6: Final answer
    x = 2,105.06

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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.