Home / 1,988.25-2,981.41-601.32

Finding the Fourth Proportional to 1,988.25, 2,981.41 and 601.32

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Solution

The fourth proportional to 1,988.25, 2,981.41 and 601.32 is: 901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988.25 : 2,981.41 = 601.32 : x
  2. Step 2: Convert to fraction form
    1,988.25/2,981.41 = 601.32/x
  3. Step 3: Cross multiply
    1,988.25x = 2,981.41 × 601.32
  4. Step 4: Simplify right side
    1,988.25x = 1,792,781.46
  5. Step 5: Solve for x
    x = 1,792,781.46/1,988.25
  6. Step 6: Final answer
    x = 901.69

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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.