Home / 3,507.86-5,261.28-1,042.22

Finding the Fourth Proportional to 3,507.86, 5,261.28 and 1,042.22

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Solution

The fourth proportional to 3,507.86, 5,261.28 and 1,042.22 is: 1,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.86 : 5,261.28 = 1,042.22 : x
  2. Step 2: Convert to fraction form
    3,507.86/5,261.28 = 1,042.22/x
  3. Step 3: Cross multiply
    3,507.86x = 5,261.28 × 1,042.22
  4. Step 4: Simplify right side
    3,507.86x = 5,483,411.24
  5. Step 5: Solve for x
    x = 5,483,411.24/3,507.86
  6. Step 6: Final answer
    x = 1,563.18

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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.