Home / 1,529.08-2,107.91-1,130.15

Finding the Fourth Proportional to 1,529.08, 2,107.91 and 1,130.15

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Solution

The fourth proportional to 1,529.08, 2,107.91 and 1,130.15 is: 1,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.08 : 2,107.91 = 1,130.15 : x
  2. Step 2: Convert to fraction form
    1,529.08/2,107.91 = 1,130.15/x
  3. Step 3: Cross multiply
    1,529.08x = 2,107.91 × 1,130.15
  4. Step 4: Simplify right side
    1,529.08x = 2,382,248.84
  5. Step 5: Solve for x
    x = 2,382,248.84/1,529.08
  6. Step 6: Final answer
    x = 1,557.97

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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.