Home / 3,607.32-5,411.40-1,660.08

Finding the Fourth Proportional to 3,607.32, 5,411.40 and 1,660.08

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Solution

The fourth proportional to 3,607.32, 5,411.40 and 1,660.08 is: 2,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.32 : 5,411.40 = 1,660.08 : x
  2. Step 2: Convert to fraction form
    3,607.32/5,411.40 = 1,660.08/x
  3. Step 3: Cross multiply
    3,607.32x = 5,411.40 × 1,660.08
  4. Step 4: Simplify right side
    3,607.32x = 8,983,356.91
  5. Step 5: Solve for x
    x = 8,983,356.91/3,607.32
  6. Step 6: Final answer
    x = 2,490.31

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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.