Home / 4,030.78-5,562.46-2,262.40

Finding the Fourth Proportional to 4,030.78, 5,562.46 and 2,262.40

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Solution

The fourth proportional to 4,030.78, 5,562.46 and 2,262.40 is: 3,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.78 : 5,562.46 = 2,262.40 : x
  2. Step 2: Convert to fraction form
    4,030.78/5,562.46 = 2,262.40/x
  3. Step 3: Cross multiply
    4,030.78x = 5,562.46 × 2,262.40
  4. Step 4: Simplify right side
    4,030.78x = 12,584,509.50
  5. Step 5: Solve for x
    x = 12,584,509.50/4,030.78
  6. Step 6: Final answer
    x = 3,122.10

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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.