Home / 1,501.63-2,070.37-1,147.99

Finding the Fourth Proportional to 1,501.63, 2,070.37 and 1,147.99

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Solution

The fourth proportional to 1,501.63, 2,070.37 and 1,147.99 is: 1,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.63 : 2,070.37 = 1,147.99 : x
  2. Step 2: Convert to fraction form
    1,501.63/2,070.37 = 1,147.99/x
  3. Step 3: Cross multiply
    1,501.63x = 2,070.37 × 1,147.99
  4. Step 4: Simplify right side
    1,501.63x = 2,376,764.06
  5. Step 5: Solve for x
    x = 2,376,764.06/1,501.63
  6. Step 6: Final answer
    x = 1,582.79

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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.