Home / 2,347.25-3,240.70-1,508.31

Finding the Fourth Proportional to 2,347.25, 3,240.70 and 1,508.31

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Solution

The fourth proportional to 2,347.25, 3,240.70 and 1,508.31 is: 2,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.25 : 3,240.70 = 1,508.31 : x
  2. Step 2: Convert to fraction form
    2,347.25/3,240.70 = 1,508.31/x
  3. Step 3: Cross multiply
    2,347.25x = 3,240.70 × 1,508.31
  4. Step 4: Simplify right side
    2,347.25x = 4,887,980.22
  5. Step 5: Solve for x
    x = 4,887,980.22/2,347.25
  6. Step 6: Final answer
    x = 2,082.43

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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.