Home / 1,621.69-2,430.47-1,036.46

Finding the Fourth Proportional to 1,621.69, 2,430.47 and 1,036.46

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Solution

The fourth proportional to 1,621.69, 2,430.47 and 1,036.46 is: 1,553.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.69 : 2,430.47 = 1,036.46 : x
  2. Step 2: Convert to fraction form
    1,621.69/2,430.47 = 1,036.46/x
  3. Step 3: Cross multiply
    1,621.69x = 2,430.47 × 1,036.46
  4. Step 4: Simplify right side
    1,621.69x = 2,519,084.94
  5. Step 5: Solve for x
    x = 2,519,084.94/1,621.69
  6. Step 6: Final answer
    x = 1,553.37

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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.