Home / 1,626.02-2,439.30-530.72

Finding the Fourth Proportional to 1,626.02, 2,439.30 and 530.72

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Solution

The fourth proportional to 1,626.02, 2,439.30 and 530.72 is: 796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.02 : 2,439.30 = 530.72 : x
  2. Step 2: Convert to fraction form
    1,626.02/2,439.30 = 530.72/x
  3. Step 3: Cross multiply
    1,626.02x = 2,439.30 × 530.72
  4. Step 4: Simplify right side
    1,626.02x = 1,294,585.30
  5. Step 5: Solve for x
    x = 1,294,585.30/1,626.02
  6. Step 6: Final answer
    x = 796.17

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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.