Home / 2,075.10-3,112.95-614.06

Finding the Fourth Proportional to 2,075.10, 3,112.95 and 614.06

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Solution

The fourth proportional to 2,075.10, 3,112.95 and 614.06 is: 921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.10 : 3,112.95 = 614.06 : x
  2. Step 2: Convert to fraction form
    2,075.10/3,112.95 = 614.06/x
  3. Step 3: Cross multiply
    2,075.10x = 3,112.95 × 614.06
  4. Step 4: Simplify right side
    2,075.10x = 1,911,522.51
  5. Step 5: Solve for x
    x = 1,911,522.51/2,075.10
  6. Step 6: Final answer
    x = 921.17

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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.