Home / 3,345.95-5,019.48-1,237.70

Finding the Fourth Proportional to 3,345.95, 5,019.48 and 1,237.70

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Solution

The fourth proportional to 3,345.95, 5,019.48 and 1,237.70 is: 1,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.95 : 5,019.48 = 1,237.70 : x
  2. Step 2: Convert to fraction form
    3,345.95/5,019.48 = 1,237.70/x
  3. Step 3: Cross multiply
    3,345.95x = 5,019.48 × 1,237.70
  4. Step 4: Simplify right side
    3,345.95x = 6,212,585.30
  5. Step 5: Solve for x
    x = 6,212,585.30/3,345.95
  6. Step 6: Final answer
    x = 1,856.75

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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.