Home / 3,507.48-5,263.02-1,561.08

Finding the Fourth Proportional to 3,507.48, 5,263.02 and 1,561.08

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Solution

The fourth proportional to 3,507.48, 5,263.02 and 1,561.08 is: 2,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.48 : 5,263.02 = 1,561.08 : x
  2. Step 2: Convert to fraction form
    3,507.48/5,263.02 = 1,561.08/x
  3. Step 3: Cross multiply
    3,507.48x = 5,263.02 × 1,561.08
  4. Step 4: Simplify right side
    3,507.48x = 8,215,995.26
  5. Step 5: Solve for x
    x = 8,215,995.26/3,507.48
  6. Step 6: Final answer
    x = 2,342.42

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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.