Home / 1,695.32-2,528.05-1,560.68

Finding the Fourth Proportional to 1,695.32, 2,528.05 and 1,560.68

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Solution

The fourth proportional to 1,695.32, 2,528.05 and 1,560.68 is: 2,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.32 : 2,528.05 = 1,560.68 : x
  2. Step 2: Convert to fraction form
    1,695.32/2,528.05 = 1,560.68/x
  3. Step 3: Cross multiply
    1,695.32x = 2,528.05 × 1,560.68
  4. Step 4: Simplify right side
    1,695.32x = 3,945,477.07
  5. Step 5: Solve for x
    x = 3,945,477.07/1,695.32
  6. Step 6: Final answer
    x = 2,327.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.