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Finding the Fourth Proportional to 2,340.10, 3,509.95 and 953.58

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Solution

The fourth proportional to 2,340.10, 3,509.95 and 953.58 is: 1,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.10 : 3,509.95 = 953.58 : x
  2. Step 2: Convert to fraction form
    2,340.10/3,509.95 = 953.58/x
  3. Step 3: Cross multiply
    2,340.10x = 3,509.95 × 953.58
  4. Step 4: Simplify right side
    2,340.10x = 3,347,018.12
  5. Step 5: Solve for x
    x = 3,347,018.12/2,340.10
  6. Step 6: Final answer
    x = 1,430.29

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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.