Home / 3,507.08-5,259.25-1,314.61

Finding the Fourth Proportional to 3,507.08, 5,259.25 and 1,314.61

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Solution

The fourth proportional to 3,507.08, 5,259.25 and 1,314.61 is: 1,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.08 : 5,259.25 = 1,314.61 : x
  2. Step 2: Convert to fraction form
    3,507.08/5,259.25 = 1,314.61/x
  3. Step 3: Cross multiply
    3,507.08x = 5,259.25 × 1,314.61
  4. Step 4: Simplify right side
    3,507.08x = 6,913,870.86
  5. Step 5: Solve for x
    x = 6,913,870.86/3,507.08
  6. Step 6: Final answer
    x = 1,971.40

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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.