Home / 1,460.08-2,186.88-810.40

Finding the Fourth Proportional to 1,460.08, 2,186.88 and 810.40

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Solution

The fourth proportional to 1,460.08, 2,186.88 and 810.40 is: 1,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.08 : 2,186.88 = 810.40 : x
  2. Step 2: Convert to fraction form
    1,460.08/2,186.88 = 810.40/x
  3. Step 3: Cross multiply
    1,460.08x = 2,186.88 × 810.40
  4. Step 4: Simplify right side
    1,460.08x = 1,772,247.55
  5. Step 5: Solve for x
    x = 1,772,247.55/1,460.08
  6. Step 6: Final answer
    x = 1,213.80

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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.