Home / 2,421.74-3,341.93-1,359.48

Finding the Fourth Proportional to 2,421.74, 3,341.93 and 1,359.48

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Solution

The fourth proportional to 2,421.74, 3,341.93 and 1,359.48 is: 1,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.74 : 3,341.93 = 1,359.48 : x
  2. Step 2: Convert to fraction form
    2,421.74/3,341.93 = 1,359.48/x
  3. Step 3: Cross multiply
    2,421.74x = 3,341.93 × 1,359.48
  4. Step 4: Simplify right side
    2,421.74x = 4,543,290.40
  5. Step 5: Solve for x
    x = 4,543,290.40/2,421.74
  6. Step 6: Final answer
    x = 1,876.04

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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.