Home / 2,030.63-2,801.18-1,284.32

Finding the Fourth Proportional to 2,030.63, 2,801.18 and 1,284.32

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Solution

The fourth proportional to 2,030.63, 2,801.18 and 1,284.32 is: 1,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.63 : 2,801.18 = 1,284.32 : x
  2. Step 2: Convert to fraction form
    2,030.63/2,801.18 = 1,284.32/x
  3. Step 3: Cross multiply
    2,030.63x = 2,801.18 × 1,284.32
  4. Step 4: Simplify right side
    2,030.63x = 3,597,621.71
  5. Step 5: Solve for x
    x = 3,597,621.71/2,030.63
  6. Step 6: Final answer
    x = 1,771.68

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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.