Home / 1,858.07-2,786.65-625.46

Finding the Fourth Proportional to 1,858.07, 2,786.65 and 625.46

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Solution

The fourth proportional to 1,858.07, 2,786.65 and 625.46 is: 938.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.07 : 2,786.65 = 625.46 : x
  2. Step 2: Convert to fraction form
    1,858.07/2,786.65 = 625.46/x
  3. Step 3: Cross multiply
    1,858.07x = 2,786.65 × 625.46
  4. Step 4: Simplify right side
    1,858.07x = 1,742,926.13
  5. Step 5: Solve for x
    x = 1,742,926.13/1,858.07
  6. Step 6: Final answer
    x = 938.03

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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.