Home / 4,178.10-5,765.52-2,289.35

Finding the Fourth Proportional to 4,178.10, 5,765.52 and 2,289.35

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Solution

The fourth proportional to 4,178.10, 5,765.52 and 2,289.35 is: 3,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.10 : 5,765.52 = 2,289.35 : x
  2. Step 2: Convert to fraction form
    4,178.10/5,765.52 = 2,289.35/x
  3. Step 3: Cross multiply
    4,178.10x = 5,765.52 × 2,289.35
  4. Step 4: Simplify right side
    4,178.10x = 13,199,264.38
  5. Step 5: Solve for x
    x = 13,199,264.38/4,178.10
  6. Step 6: Final answer
    x = 3,159.15

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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.