Home / 2,301.56-3,176.16-1,370

Finding the Fourth Proportional to 2,301.56, 3,176.16 and 1,370

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Solution

The fourth proportional to 2,301.56, 3,176.16 and 1,370 is: 1,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.56 : 3,176.16 = 1,370 : x
  2. Step 2: Convert to fraction form
    2,301.56/3,176.16 = 1,370/x
  3. Step 3: Cross multiply
    2,301.56x = 3,176.16 × 1,370
  4. Step 4: Simplify right side
    2,301.56x = 4,351,339.20
  5. Step 5: Solve for x
    x = 4,351,339.20/2,301.56
  6. Step 6: Final answer
    x = 1,890.60

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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.