Home / 1,904.30-2,628.51-1,158.92

Finding the Fourth Proportional to 1,904.30, 2,628.51 and 1,158.92

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Solution

The fourth proportional to 1,904.30, 2,628.51 and 1,158.92 is: 1,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.30 : 2,628.51 = 1,158.92 : x
  2. Step 2: Convert to fraction form
    1,904.30/2,628.51 = 1,158.92/x
  3. Step 3: Cross multiply
    1,904.30x = 2,628.51 × 1,158.92
  4. Step 4: Simplify right side
    1,904.30x = 3,046,232.81
  5. Step 5: Solve for x
    x = 3,046,232.81/1,904.30
  6. Step 6: Final answer
    x = 1,599.66

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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.