Home / 1,626.08-2,439.36-530.18

Finding the Fourth Proportional to 1,626.08, 2,439.36 and 530.18

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Solution

The fourth proportional to 1,626.08, 2,439.36 and 530.18 is: 795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.08 : 2,439.36 = 530.18 : x
  2. Step 2: Convert to fraction form
    1,626.08/2,439.36 = 530.18/x
  3. Step 3: Cross multiply
    1,626.08x = 2,439.36 × 530.18
  4. Step 4: Simplify right side
    1,626.08x = 1,293,287.69
  5. Step 5: Solve for x
    x = 1,293,287.69/1,626.08
  6. Step 6: Final answer
    x = 795.34

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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.