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Finding the Fourth Proportional to 1,509.57, 2,081.03 and 1,060.08

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Solution

The fourth proportional to 1,509.57, 2,081.03 and 1,060.08 is: 1,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.57 : 2,081.03 = 1,060.08 : x
  2. Step 2: Convert to fraction form
    1,509.57/2,081.03 = 1,060.08/x
  3. Step 3: Cross multiply
    1,509.57x = 2,081.03 × 1,060.08
  4. Step 4: Simplify right side
    1,509.57x = 2,206,045.18
  5. Step 5: Solve for x
    x = 2,206,045.18/1,509.57
  6. Step 6: Final answer
    x = 1,461.37

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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.