Home / 3,543.68-5,315.52-1,235.12

Finding the Fourth Proportional to 3,543.68, 5,315.52 and 1,235.12

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Solution

The fourth proportional to 3,543.68, 5,315.52 and 1,235.12 is: 1,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.68 : 5,315.52 = 1,235.12 : x
  2. Step 2: Convert to fraction form
    3,543.68/5,315.52 = 1,235.12/x
  3. Step 3: Cross multiply
    3,543.68x = 5,315.52 × 1,235.12
  4. Step 4: Simplify right side
    3,543.68x = 6,565,305.06
  5. Step 5: Solve for x
    x = 6,565,305.06/3,543.68
  6. Step 6: Final answer
    x = 1,852.68

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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.