Home / 2,014.99-2,780.65-1,130.83

Finding the Fourth Proportional to 2,014.99, 2,780.65 and 1,130.83

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Solution

The fourth proportional to 2,014.99, 2,780.65 and 1,130.83 is: 1,560.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.99 : 2,780.65 = 1,130.83 : x
  2. Step 2: Convert to fraction form
    2,014.99/2,780.65 = 1,130.83/x
  3. Step 3: Cross multiply
    2,014.99x = 2,780.65 × 1,130.83
  4. Step 4: Simplify right side
    2,014.99x = 3,144,442.44
  5. Step 5: Solve for x
    x = 3,144,442.44/2,014.99
  6. Step 6: Final answer
    x = 1,560.53

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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.