Home / 1,405.51-2,108.25-583.57

Finding the Fourth Proportional to 1,405.51, 2,108.25 and 583.57

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Solution

The fourth proportional to 1,405.51, 2,108.25 and 583.57 is: 875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405.51 : 2,108.25 = 583.57 : x
  2. Step 2: Convert to fraction form
    1,405.51/2,108.25 = 583.57/x
  3. Step 3: Cross multiply
    1,405.51x = 2,108.25 × 583.57
  4. Step 4: Simplify right side
    1,405.51x = 1,230,311.45
  5. Step 5: Solve for x
    x = 1,230,311.45/1,405.51
  6. Step 6: Final answer
    x = 875.35

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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.