Home / 2,347.65-3,240.50-1,404.14

Finding the Fourth Proportional to 2,347.65, 3,240.50 and 1,404.14

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Solution

The fourth proportional to 2,347.65, 3,240.50 and 1,404.14 is: 1,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.65 : 3,240.50 = 1,404.14 : x
  2. Step 2: Convert to fraction form
    2,347.65/3,240.50 = 1,404.14/x
  3. Step 3: Cross multiply
    2,347.65x = 3,240.50 × 1,404.14
  4. Step 4: Simplify right side
    2,347.65x = 4,550,092.45
  5. Step 5: Solve for x
    x = 4,550,092.45/2,347.65
  6. Step 6: Final answer
    x = 1,938.15

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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.