Home / 1,732.19-2,598.08-692.15

Finding the Fourth Proportional to 1,732.19, 2,598.08 and 692.15

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Solution

The fourth proportional to 1,732.19, 2,598.08 and 692.15 is: 1,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.19 : 2,598.08 = 692.15 : x
  2. Step 2: Convert to fraction form
    1,732.19/2,598.08 = 692.15/x
  3. Step 3: Cross multiply
    1,732.19x = 2,598.08 × 692.15
  4. Step 4: Simplify right side
    1,732.19x = 1,798,244.62
  5. Step 5: Solve for x
    x = 1,798,244.62/1,732.19
  6. Step 6: Final answer
    x = 1,038.14

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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.