Home / 1,598.85-2,206.56-935.66

Finding the Fourth Proportional to 1,598.85, 2,206.56 and 935.66

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Solution

The fourth proportional to 1,598.85, 2,206.56 and 935.66 is: 1,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.85 : 2,206.56 = 935.66 : x
  2. Step 2: Convert to fraction form
    1,598.85/2,206.56 = 935.66/x
  3. Step 3: Cross multiply
    1,598.85x = 2,206.56 × 935.66
  4. Step 4: Simplify right side
    1,598.85x = 2,064,574.22
  5. Step 5: Solve for x
    x = 2,064,574.22/1,598.85
  6. Step 6: Final answer
    x = 1,291.29

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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.