Home / 1,690.04-2,528.89-997.04

Finding the Fourth Proportional to 1,690.04, 2,528.89 and 997.04

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Solution

The fourth proportional to 1,690.04, 2,528.89 and 997.04 is: 1,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.04 : 2,528.89 = 997.04 : x
  2. Step 2: Convert to fraction form
    1,690.04/2,528.89 = 997.04/x
  3. Step 3: Cross multiply
    1,690.04x = 2,528.89 × 997.04
  4. Step 4: Simplify right side
    1,690.04x = 2,521,386.86
  5. Step 5: Solve for x
    x = 2,521,386.86/1,690.04
  6. Step 6: Final answer
    x = 1,491.91

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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.