Home / 2,354.34-3,534.96-1,316.40

Finding the Fourth Proportional to 2,354.34, 3,534.96 and 1,316.40

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Solution

The fourth proportional to 2,354.34, 3,534.96 and 1,316.40 is: 1,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.34 : 3,534.96 = 1,316.40 : x
  2. Step 2: Convert to fraction form
    2,354.34/3,534.96 = 1,316.40/x
  3. Step 3: Cross multiply
    2,354.34x = 3,534.96 × 1,316.40
  4. Step 4: Simplify right side
    2,354.34x = 4,653,421.34
  5. Step 5: Solve for x
    x = 4,653,421.34/2,354.34
  6. Step 6: Final answer
    x = 1,976.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.