Home / 1,977.15-2,965.20-590.16

Finding the Fourth Proportional to 1,977.15, 2,965.20 and 590.16

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Solution

The fourth proportional to 1,977.15, 2,965.20 and 590.16 is: 885.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.15 : 2,965.20 = 590.16 : x
  2. Step 2: Convert to fraction form
    1,977.15/2,965.20 = 590.16/x
  3. Step 3: Cross multiply
    1,977.15x = 2,965.20 × 590.16
  4. Step 4: Simplify right side
    1,977.15x = 1,749,942.43
  5. Step 5: Solve for x
    x = 1,749,942.43/1,977.15
  6. Step 6: Final answer
    x = 885.08

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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.