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Finding the Fourth Proportional to 1,748.99, 2,622.43 and 652.08

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Solution

The fourth proportional to 1,748.99, 2,622.43 and 652.08 is: 977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.99 : 2,622.43 = 652.08 : x
  2. Step 2: Convert to fraction form
    1,748.99/2,622.43 = 652.08/x
  3. Step 3: Cross multiply
    1,748.99x = 2,622.43 × 652.08
  4. Step 4: Simplify right side
    1,748.99x = 1,710,019.01
  5. Step 5: Solve for x
    x = 1,710,019.01/1,748.99
  6. Step 6: Final answer
    x = 977.72

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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.