Home / 2,345.56-3,233.80-1,947.57

Finding the Fourth Proportional to 2,345.56, 3,233.80 and 1,947.57

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Solution

The fourth proportional to 2,345.56, 3,233.80 and 1,947.57 is: 2,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.56 : 3,233.80 = 1,947.57 : x
  2. Step 2: Convert to fraction form
    2,345.56/3,233.80 = 1,947.57/x
  3. Step 3: Cross multiply
    2,345.56x = 3,233.80 × 1,947.57
  4. Step 4: Simplify right side
    2,345.56x = 6,298,045.79
  5. Step 5: Solve for x
    x = 6,298,045.79/2,345.56
  6. Step 6: Final answer
    x = 2,685.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.