Home / 1,602.02-2,210.68-938.76

Finding the Fourth Proportional to 1,602.02, 2,210.68 and 938.76

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Solution

The fourth proportional to 1,602.02, 2,210.68 and 938.76 is: 1,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.02 : 2,210.68 = 938.76 : x
  2. Step 2: Convert to fraction form
    1,602.02/2,210.68 = 938.76/x
  3. Step 3: Cross multiply
    1,602.02x = 2,210.68 × 938.76
  4. Step 4: Simplify right side
    1,602.02x = 2,075,297.96
  5. Step 5: Solve for x
    x = 2,075,297.96/1,602.02
  6. Step 6: Final answer
    x = 1,295.43

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Half scale
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Double scale
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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.