Home / 3,430.34-4,705.70-3,339.08

Finding the Fourth Proportional to 3,430.34, 4,705.70 and 3,339.08

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Solution

The fourth proportional to 3,430.34, 4,705.70 and 3,339.08 is: 4,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.34 : 4,705.70 = 3,339.08 : x
  2. Step 2: Convert to fraction form
    3,430.34/4,705.70 = 3,339.08/x
  3. Step 3: Cross multiply
    3,430.34x = 4,705.70 × 3,339.08
  4. Step 4: Simplify right side
    3,430.34x = 15,712,693.58
  5. Step 5: Solve for x
    x = 15,712,693.58/3,430.34
  6. Step 6: Final answer
    x = 4,580.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.