Home / 1,670.62-2,306.33-1,560.19

Finding the Fourth Proportional to 1,670.62, 2,306.33 and 1,560.19

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Solution

The fourth proportional to 1,670.62, 2,306.33 and 1,560.19 is: 2,153.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.62 : 2,306.33 = 1,560.19 : x
  2. Step 2: Convert to fraction form
    1,670.62/2,306.33 = 1,560.19/x
  3. Step 3: Cross multiply
    1,670.62x = 2,306.33 × 1,560.19
  4. Step 4: Simplify right side
    1,670.62x = 3,598,313.00
  5. Step 5: Solve for x
    x = 3,598,313.00/1,670.62
  6. Step 6: Final answer
    x = 2,153.88

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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.