Home / 1,560.93-2,151.39-1,412.43

Finding the Fourth Proportional to 1,560.93, 2,151.39 and 1,412.43

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Solution

The fourth proportional to 1,560.93, 2,151.39 and 1,412.43 is: 1,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.93 : 2,151.39 = 1,412.43 : x
  2. Step 2: Convert to fraction form
    1,560.93/2,151.39 = 1,412.43/x
  3. Step 3: Cross multiply
    1,560.93x = 2,151.39 × 1,412.43
  4. Step 4: Simplify right side
    1,560.93x = 3,038,687.78
  5. Step 5: Solve for x
    x = 3,038,687.78/1,560.93
  6. Step 6: Final answer
    x = 1,946.72

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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.