Home / 1,384.90-2,077.07-460.18

Finding the Fourth Proportional to 1,384.90, 2,077.07 and 460.18

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Solution

The fourth proportional to 1,384.90, 2,077.07 and 460.18 is: 690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.90 : 2,077.07 = 460.18 : x
  2. Step 2: Convert to fraction form
    1,384.90/2,077.07 = 460.18/x
  3. Step 3: Cross multiply
    1,384.90x = 2,077.07 × 460.18
  4. Step 4: Simplify right side
    1,384.90x = 955,827.66
  5. Step 5: Solve for x
    x = 955,827.66/1,384.90
  6. Step 6: Final answer
    x = 690.18

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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.