Home / 1,507.77-2,080.65-1,010.33

Finding the Fourth Proportional to 1,507.77, 2,080.65 and 1,010.33

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Solution

The fourth proportional to 1,507.77, 2,080.65 and 1,010.33 is: 1,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.77 : 2,080.65 = 1,010.33 : x
  2. Step 2: Convert to fraction form
    1,507.77/2,080.65 = 1,010.33/x
  3. Step 3: Cross multiply
    1,507.77x = 2,080.65 × 1,010.33
  4. Step 4: Simplify right side
    1,507.77x = 2,102,143.11
  5. Step 5: Solve for x
    x = 2,102,143.11/1,507.77
  6. Step 6: Final answer
    x = 1,394.21

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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.