Home / 1,913.02-2,624.50-1,820.07

Finding the Fourth Proportional to 1,913.02, 2,624.50 and 1,820.07

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Solution

The fourth proportional to 1,913.02, 2,624.50 and 1,820.07 is: 2,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.02 : 2,624.50 = 1,820.07 : x
  2. Step 2: Convert to fraction form
    1,913.02/2,624.50 = 1,820.07/x
  3. Step 3: Cross multiply
    1,913.02x = 2,624.50 × 1,820.07
  4. Step 4: Simplify right side
    1,913.02x = 4,776,775.99
  5. Step 5: Solve for x
    x = 4,776,775.99/1,913.02
  6. Step 6: Final answer
    x = 2,496.98

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.