Home / 1,502.19-2,073.00-839.07

Finding the Fourth Proportional to 1,502.19, 2,073.00 and 839.07

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Solution

The fourth proportional to 1,502.19, 2,073.00 and 839.07 is: 1,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.19 : 2,073.00 = 839.07 : x
  2. Step 2: Convert to fraction form
    1,502.19/2,073.00 = 839.07/x
  3. Step 3: Cross multiply
    1,502.19x = 2,073.00 × 839.07
  4. Step 4: Simplify right side
    1,502.19x = 1,739,395.26
  5. Step 5: Solve for x
    x = 1,739,395.26/1,502.19
  6. Step 6: Final answer
    x = 1,157.91

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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.