Home / 1,345.38-2,008.08-1,159.48

Finding the Fourth Proportional to 1,345.38, 2,008.08 and 1,159.48

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Solution

The fourth proportional to 1,345.38, 2,008.08 and 1,159.48 is: 1,730.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345.38 : 2,008.08 = 1,159.48 : x
  2. Step 2: Convert to fraction form
    1,345.38/2,008.08 = 1,159.48/x
  3. Step 3: Cross multiply
    1,345.38x = 2,008.08 × 1,159.48
  4. Step 4: Simplify right side
    1,345.38x = 2,328,328.60
  5. Step 5: Solve for x
    x = 2,328,328.60/1,345.38
  6. Step 6: Final answer
    x = 1,730.61

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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.