Home / 1,560.77-2,350.38-1,357.79

Finding the Fourth Proportional to 1,560.77, 2,350.38 and 1,357.79

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Solution

The fourth proportional to 1,560.77, 2,350.38 and 1,357.79 is: 2,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.77 : 2,350.38 = 1,357.79 : x
  2. Step 2: Convert to fraction form
    1,560.77/2,350.38 = 1,357.79/x
  3. Step 3: Cross multiply
    1,560.77x = 2,350.38 × 1,357.79
  4. Step 4: Simplify right side
    1,560.77x = 3,191,310.71
  5. Step 5: Solve for x
    x = 3,191,310.71/1,560.77
  6. Step 6: Final answer
    x = 2,044.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.