Home / 2,281.10-3,421.65-1,244.30

Finding the Fourth Proportional to 2,281.10, 3,421.65 and 1,244.30

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Solution

The fourth proportional to 2,281.10, 3,421.65 and 1,244.30 is: 1,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.10 : 3,421.65 = 1,244.30 : x
  2. Step 2: Convert to fraction form
    2,281.10/3,421.65 = 1,244.30/x
  3. Step 3: Cross multiply
    2,281.10x = 3,421.65 × 1,244.30
  4. Step 4: Simplify right side
    2,281.10x = 4,257,559.10
  5. Step 5: Solve for x
    x = 4,257,559.10/2,281.10
  6. Step 6: Final answer
    x = 1,866.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.