Home / 1,695.74-2,532.30-1,326.38

Finding the Fourth Proportional to 1,695.74, 2,532.30 and 1,326.38

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Solution

The fourth proportional to 1,695.74, 2,532.30 and 1,326.38 is: 1,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.74 : 2,532.30 = 1,326.38 : x
  2. Step 2: Convert to fraction form
    1,695.74/2,532.30 = 1,326.38/x
  3. Step 3: Cross multiply
    1,695.74x = 2,532.30 × 1,326.38
  4. Step 4: Simplify right side
    1,695.74x = 3,358,798.40
  5. Step 5: Solve for x
    x = 3,358,798.40/1,695.74
  6. Step 6: Final answer
    x = 1,980.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.