Home / 1,346.16-1,857.60-756.58

Finding the Fourth Proportional to 1,346.16, 1,857.60 and 756.58

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Solution

The fourth proportional to 1,346.16, 1,857.60 and 756.58 is: 1,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.16 : 1,857.60 = 756.58 : x
  2. Step 2: Convert to fraction form
    1,346.16/1,857.60 = 756.58/x
  3. Step 3: Cross multiply
    1,346.16x = 1,857.60 × 756.58
  4. Step 4: Simplify right side
    1,346.16x = 1,405,423.01
  5. Step 5: Solve for x
    x = 1,405,423.01/1,346.16
  6. Step 6: Final answer
    x = 1,044.02

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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.