Home / 1,487.08-2,052.30-1,266.76

Finding the Fourth Proportional to 1,487.08, 2,052.30 and 1,266.76

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Solution

The fourth proportional to 1,487.08, 2,052.30 and 1,266.76 is: 1,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.08 : 2,052.30 = 1,266.76 : x
  2. Step 2: Convert to fraction form
    1,487.08/2,052.30 = 1,266.76/x
  3. Step 3: Cross multiply
    1,487.08x = 2,052.30 × 1,266.76
  4. Step 4: Simplify right side
    1,487.08x = 2,599,771.55
  5. Step 5: Solve for x
    x = 2,599,771.55/1,487.08
  6. Step 6: Final answer
    x = 1,748.24

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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.