Home / 1,705.16-2,558.28-609.50

Finding the Fourth Proportional to 1,705.16, 2,558.28 and 609.50

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Solution

The fourth proportional to 1,705.16, 2,558.28 and 609.50 is: 914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.16 : 2,558.28 = 609.50 : x
  2. Step 2: Convert to fraction form
    1,705.16/2,558.28 = 609.50/x
  3. Step 3: Cross multiply
    1,705.16x = 2,558.28 × 609.50
  4. Step 4: Simplify right side
    1,705.16x = 1,559,271.66
  5. Step 5: Solve for x
    x = 1,559,271.66/1,705.16
  6. Step 6: Final answer
    x = 914.44

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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.