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Finding the Fourth Proportional to 2,501.51, 3,752.34 and 858.04

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Solution

The fourth proportional to 2,501.51, 3,752.34 and 858.04 is: 1,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.51 : 3,752.34 = 858.04 : x
  2. Step 2: Convert to fraction form
    2,501.51/3,752.34 = 858.04/x
  3. Step 3: Cross multiply
    2,501.51x = 3,752.34 × 858.04
  4. Step 4: Simplify right side
    2,501.51x = 3,219,643.66
  5. Step 5: Solve for x
    x = 3,219,643.66/2,501.51
  6. Step 6: Final answer
    x = 1,287.08

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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.