Home / 1,988.99-2,982.57-602.47

Finding the Fourth Proportional to 1,988.99, 2,982.57 and 602.47

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Solution

The fourth proportional to 1,988.99, 2,982.57 and 602.47 is: 903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988.99 : 2,982.57 = 602.47 : x
  2. Step 2: Convert to fraction form
    1,988.99/2,982.57 = 602.47/x
  3. Step 3: Cross multiply
    1,988.99x = 2,982.57 × 602.47
  4. Step 4: Simplify right side
    1,988.99x = 1,796,908.95
  5. Step 5: Solve for x
    x = 1,796,908.95/1,988.99
  6. Step 6: Final answer
    x = 903.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.