Home / 2,483.60-3,421.96-1,853.88

Finding the Fourth Proportional to 2,483.60, 3,421.96 and 1,853.88

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Solution

The fourth proportional to 2,483.60, 3,421.96 and 1,853.88 is: 2,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.60 : 3,421.96 = 1,853.88 : x
  2. Step 2: Convert to fraction form
    2,483.60/3,421.96 = 1,853.88/x
  3. Step 3: Cross multiply
    2,483.60x = 3,421.96 × 1,853.88
  4. Step 4: Simplify right side
    2,483.60x = 6,343,903.20
  5. Step 5: Solve for x
    x = 6,343,903.20/2,483.60
  6. Step 6: Final answer
    x = 2,554.32

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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.