Home / 1,924.90-2,656.50-1,085.53

Finding the Fourth Proportional to 1,924.90, 2,656.50 and 1,085.53

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Solution

The fourth proportional to 1,924.90, 2,656.50 and 1,085.53 is: 1,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.90 : 2,656.50 = 1,085.53 : x
  2. Step 2: Convert to fraction form
    1,924.90/2,656.50 = 1,085.53/x
  3. Step 3: Cross multiply
    1,924.90x = 2,656.50 × 1,085.53
  4. Step 4: Simplify right side
    1,924.90x = 2,883,710.45
  5. Step 5: Solve for x
    x = 2,883,710.45/1,924.90
  6. Step 6: Final answer
    x = 1,498.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.