Home / 1,055.23-1,582.28-352.13

Finding the Fourth Proportional to 1,055.23, 1,582.28 and 352.13

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Solution

The fourth proportional to 1,055.23, 1,582.28 and 352.13 is: 528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055.23 : 1,582.28 = 352.13 : x
  2. Step 2: Convert to fraction form
    1,055.23/1,582.28 = 352.13/x
  3. Step 3: Cross multiply
    1,055.23x = 1,582.28 × 352.13
  4. Step 4: Simplify right side
    1,055.23x = 557,168.26
  5. Step 5: Solve for x
    x = 557,168.26/1,055.23
  6. Step 6: Final answer
    x = 528.01

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.