Home / 1,980.81-2,971.65-594.27

Finding the Fourth Proportional to 1,980.81, 2,971.65 and 594.27

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Solution

The fourth proportional to 1,980.81, 2,971.65 and 594.27 is: 891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980.81 : 2,971.65 = 594.27 : x
  2. Step 2: Convert to fraction form
    1,980.81/2,971.65 = 594.27/x
  3. Step 3: Cross multiply
    1,980.81x = 2,971.65 × 594.27
  4. Step 4: Simplify right side
    1,980.81x = 1,765,962.45
  5. Step 5: Solve for x
    x = 1,765,962.45/1,980.81
  6. Step 6: Final answer
    x = 891.54

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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.