Home / 1,695.19-2,339.13-1,106.51

Finding the Fourth Proportional to 1,695.19, 2,339.13 and 1,106.51

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Solution

The fourth proportional to 1,695.19, 2,339.13 and 1,106.51 is: 1,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.19 : 2,339.13 = 1,106.51 : x
  2. Step 2: Convert to fraction form
    1,695.19/2,339.13 = 1,106.51/x
  3. Step 3: Cross multiply
    1,695.19x = 2,339.13 × 1,106.51
  4. Step 4: Simplify right side
    1,695.19x = 2,588,270.74
  5. Step 5: Solve for x
    x = 2,588,270.74/1,695.19
  6. Step 6: Final answer
    x = 1,526.83

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Double scale
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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.