Home / 2,347.95-3,240.09-1,353.06

Finding the Fourth Proportional to 2,347.95, 3,240.09 and 1,353.06

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Solution

The fourth proportional to 2,347.95, 3,240.09 and 1,353.06 is: 1,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.95 : 3,240.09 = 1,353.06 : x
  2. Step 2: Convert to fraction form
    2,347.95/3,240.09 = 1,353.06/x
  3. Step 3: Cross multiply
    2,347.95x = 3,240.09 × 1,353.06
  4. Step 4: Simplify right side
    2,347.95x = 4,384,036.18
  5. Step 5: Solve for x
    x = 4,384,036.18/2,347.95
  6. Step 6: Final answer
    x = 1,867.18

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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.