Home / 1,508.79-2,082.38-1,036.29

Finding the Fourth Proportional to 1,508.79, 2,082.38 and 1,036.29

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Solution

The fourth proportional to 1,508.79, 2,082.38 and 1,036.29 is: 1,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.79 : 2,082.38 = 1,036.29 : x
  2. Step 2: Convert to fraction form
    1,508.79/2,082.38 = 1,036.29/x
  3. Step 3: Cross multiply
    1,508.79x = 2,082.38 × 1,036.29
  4. Step 4: Simplify right side
    1,508.79x = 2,157,944.39
  5. Step 5: Solve for x
    x = 2,157,944.39/1,508.79
  6. Step 6: Final answer
    x = 1,430.25

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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.