Home / 2,421.69-3,341.92-1,373.74

Finding the Fourth Proportional to 2,421.69, 3,341.92 and 1,373.74

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Solution

The fourth proportional to 2,421.69, 3,341.92 and 1,373.74 is: 1,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.69 : 3,341.92 = 1,373.74 : x
  2. Step 2: Convert to fraction form
    2,421.69/3,341.92 = 1,373.74/x
  3. Step 3: Cross multiply
    2,421.69x = 3,341.92 × 1,373.74
  4. Step 4: Simplify right side
    2,421.69x = 4,590,929.18
  5. Step 5: Solve for x
    x = 4,590,929.18/2,421.69
  6. Step 6: Final answer
    x = 1,895.75

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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.