Home / 1,560.48-2,157.56-1,491.63

Finding the Fourth Proportional to 1,560.48, 2,157.56 and 1,491.63

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Solution

The fourth proportional to 1,560.48, 2,157.56 and 1,491.63 is: 2,062.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.48 : 2,157.56 = 1,491.63 : x
  2. Step 2: Convert to fraction form
    1,560.48/2,157.56 = 1,491.63/x
  3. Step 3: Cross multiply
    1,560.48x = 2,157.56 × 1,491.63
  4. Step 4: Simplify right side
    1,560.48x = 3,218,273.76
  5. Step 5: Solve for x
    x = 3,218,273.76/1,560.48
  6. Step 6: Final answer
    x = 2,062.36

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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.