Home / 2,030.93-2,803.16-1,321.55

Finding the Fourth Proportional to 2,030.93, 2,803.16 and 1,321.55

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Solution

The fourth proportional to 2,030.93, 2,803.16 and 1,321.55 is: 1,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.93 : 2,803.16 = 1,321.55 : x
  2. Step 2: Convert to fraction form
    2,030.93/2,803.16 = 1,321.55/x
  3. Step 3: Cross multiply
    2,030.93x = 2,803.16 × 1,321.55
  4. Step 4: Simplify right side
    2,030.93x = 3,704,526.41
  5. Step 5: Solve for x
    x = 3,704,526.41/2,030.93
  6. Step 6: Final answer
    x = 1,824.05

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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.