Home / 2,425.17-3,346.83-1,430.40

Finding the Fourth Proportional to 2,425.17, 3,346.83 and 1,430.40

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Solution

The fourth proportional to 2,425.17, 3,346.83 and 1,430.40 is: 1,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.17 : 3,346.83 = 1,430.40 : x
  2. Step 2: Convert to fraction form
    2,425.17/3,346.83 = 1,430.40/x
  3. Step 3: Cross multiply
    2,425.17x = 3,346.83 × 1,430.40
  4. Step 4: Simplify right side
    2,425.17x = 4,787,305.63
  5. Step 5: Solve for x
    x = 4,787,305.63/2,425.17
  6. Step 6: Final answer
    x = 1,974.01

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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.