Home / 1,988.85-2,983.69-602.32

Finding the Fourth Proportional to 1,988.85, 2,983.69 and 602.32

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Solution

The fourth proportional to 1,988.85, 2,983.69 and 602.32 is: 903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988.85 : 2,983.69 = 602.32 : x
  2. Step 2: Convert to fraction form
    1,988.85/2,983.69 = 602.32/x
  3. Step 3: Cross multiply
    1,988.85x = 2,983.69 × 602.32
  4. Step 4: Simplify right side
    1,988.85x = 1,797,128.70
  5. Step 5: Solve for x
    x = 1,797,128.70/1,988.85
  6. Step 6: Final answer
    x = 903.60

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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.