Home / 1,981.29-2,971.58-594.30

Finding the Fourth Proportional to 1,981.29, 2,971.58 and 594.30

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Solution

The fourth proportional to 1,981.29, 2,971.58 and 594.30 is: 891.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.29 : 2,971.58 = 594.30 : x
  2. Step 2: Convert to fraction form
    1,981.29/2,971.58 = 594.30/x
  3. Step 3: Cross multiply
    1,981.29x = 2,971.58 × 594.30
  4. Step 4: Simplify right side
    1,981.29x = 1,766,007.02
  5. Step 5: Solve for x
    x = 1,766,007.02/1,981.29
  6. Step 6: Final answer
    x = 891.34

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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.