Home / 3,506.02-5,259.84-1,040.78

Finding the Fourth Proportional to 3,506.02, 5,259.84 and 1,040.78

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Solution

The fourth proportional to 3,506.02, 5,259.84 and 1,040.78 is: 1,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.02 : 5,259.84 = 1,040.78 : x
  2. Step 2: Convert to fraction form
    3,506.02/5,259.84 = 1,040.78/x
  3. Step 3: Cross multiply
    3,506.02x = 5,259.84 × 1,040.78
  4. Step 4: Simplify right side
    3,506.02x = 5,474,345.52
  5. Step 5: Solve for x
    x = 5,474,345.52/3,506.02
  6. Step 6: Final answer
    x = 1,561.41

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1.5x scale

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.