Home / 2,421.41-3,341.54-1,359.02

Finding the Fourth Proportional to 2,421.41, 3,341.54 and 1,359.02

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Solution

The fourth proportional to 2,421.41, 3,341.54 and 1,359.02 is: 1,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.41 : 3,341.54 = 1,359.02 : x
  2. Step 2: Convert to fraction form
    2,421.41/3,341.54 = 1,359.02/x
  3. Step 3: Cross multiply
    2,421.41x = 3,341.54 × 1,359.02
  4. Step 4: Simplify right side
    2,421.41x = 4,541,231.44
  5. Step 5: Solve for x
    x = 4,541,231.44/2,421.41
  6. Step 6: Final answer
    x = 1,875.45

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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.