Home / 1,461.17-2,191.35-536.69

Finding the Fourth Proportional to 1,461.17, 2,191.35 and 536.69

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Solution

The fourth proportional to 1,461.17, 2,191.35 and 536.69 is: 804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.17 : 2,191.35 = 536.69 : x
  2. Step 2: Convert to fraction form
    1,461.17/2,191.35 = 536.69/x
  3. Step 3: Cross multiply
    1,461.17x = 2,191.35 × 536.69
  4. Step 4: Simplify right side
    1,461.17x = 1,176,075.63
  5. Step 5: Solve for x
    x = 1,176,075.63/1,461.17
  6. Step 6: Final answer
    x = 804.89

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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.