Home / 1,562.68-2,153.96-1,360.28

Finding the Fourth Proportional to 1,562.68, 2,153.96 and 1,360.28

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Solution

The fourth proportional to 1,562.68, 2,153.96 and 1,360.28 is: 1,874.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.68 : 2,153.96 = 1,360.28 : x
  2. Step 2: Convert to fraction form
    1,562.68/2,153.96 = 1,360.28/x
  3. Step 3: Cross multiply
    1,562.68x = 2,153.96 × 1,360.28
  4. Step 4: Simplify right side
    1,562.68x = 2,929,988.71
  5. Step 5: Solve for x
    x = 2,929,988.71/1,562.68
  6. Step 6: Final answer
    x = 1,874.98

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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.