Home / 2,421.39-3,341.34-1,373.25

Finding the Fourth Proportional to 2,421.39, 3,341.34 and 1,373.25

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Solution

The fourth proportional to 2,421.39, 3,341.34 and 1,373.25 is: 1,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.39 : 3,341.34 = 1,373.25 : x
  2. Step 2: Convert to fraction form
    2,421.39/3,341.34 = 1,373.25/x
  3. Step 3: Cross multiply
    2,421.39x = 3,341.34 × 1,373.25
  4. Step 4: Simplify right side
    2,421.39x = 4,588,495.16
  5. Step 5: Solve for x
    x = 4,588,495.16/2,421.39
  6. Step 6: Final answer
    x = 1,894.98

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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.