Home / 1,697.22-2,340.81-1,075.14

Finding the Fourth Proportional to 1,697.22, 2,340.81 and 1,075.14

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Solution

The fourth proportional to 1,697.22, 2,340.81 and 1,075.14 is: 1,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.22 : 2,340.81 = 1,075.14 : x
  2. Step 2: Convert to fraction form
    1,697.22/2,340.81 = 1,075.14/x
  3. Step 3: Cross multiply
    1,697.22x = 2,340.81 × 1,075.14
  4. Step 4: Simplify right side
    1,697.22x = 2,516,698.46
  5. Step 5: Solve for x
    x = 2,516,698.46/1,697.22
  6. Step 6: Final answer
    x = 1,482.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.