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Finding the Fourth Proportional to 1,703.92, 2,542.93 and 1,660.18

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Solution

The fourth proportional to 1,703.92, 2,542.93 and 1,660.18 is: 2,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.92 : 2,542.93 = 1,660.18 : x
  2. Step 2: Convert to fraction form
    1,703.92/2,542.93 = 1,660.18/x
  3. Step 3: Cross multiply
    1,703.92x = 2,542.93 × 1,660.18
  4. Step 4: Simplify right side
    1,703.92x = 4,221,721.53
  5. Step 5: Solve for x
    x = 4,221,721.53/1,703.92
  6. Step 6: Final answer
    x = 2,477.65

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1.5x scale

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.