Home / 1,748.40-2,622.05-578.18

Finding the Fourth Proportional to 1,748.40, 2,622.05 and 578.18

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Solution

The fourth proportional to 1,748.40, 2,622.05 and 578.18 is: 867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.40 : 2,622.05 = 578.18 : x
  2. Step 2: Convert to fraction form
    1,748.40/2,622.05 = 578.18/x
  3. Step 3: Cross multiply
    1,748.40x = 2,622.05 × 578.18
  4. Step 4: Simplify right side
    1,748.40x = 1,516,020.53
  5. Step 5: Solve for x
    x = 1,516,020.53/1,748.40
  6. Step 6: Final answer
    x = 867.09

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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.