Home / 2,075.22-3,112.65-614.70

Finding the Fourth Proportional to 2,075.22, 3,112.65 and 614.70

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Solution

The fourth proportional to 2,075.22, 3,112.65 and 614.70 is: 922.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.22 : 3,112.65 = 614.70 : x
  2. Step 2: Convert to fraction form
    2,075.22/3,112.65 = 614.70/x
  3. Step 3: Cross multiply
    2,075.22x = 3,112.65 × 614.70
  4. Step 4: Simplify right side
    2,075.22x = 1,913,345.96
  5. Step 5: Solve for x
    x = 1,913,345.96/2,075.22
  6. Step 6: Final answer
    x = 922.00

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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.