Home / 1,839.90-2,539.05-1,053.95

Finding the Fourth Proportional to 1,839.90, 2,539.05 and 1,053.95

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Solution

The fourth proportional to 1,839.90, 2,539.05 and 1,053.95 is: 1,454.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.90 : 2,539.05 = 1,053.95 : x
  2. Step 2: Convert to fraction form
    1,839.90/2,539.05 = 1,053.95/x
  3. Step 3: Cross multiply
    1,839.90x = 2,539.05 × 1,053.95
  4. Step 4: Simplify right side
    1,839.90x = 2,676,031.75
  5. Step 5: Solve for x
    x = 2,676,031.75/1,839.90
  6. Step 6: Final answer
    x = 1,454.44

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1.5x scale

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.