Home / 1,913.48-2,870.18-614.84

Finding the Fourth Proportional to 1,913.48, 2,870.18 and 614.84

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Solution

The fourth proportional to 1,913.48, 2,870.18 and 614.84 is: 922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.48 : 2,870.18 = 614.84 : x
  2. Step 2: Convert to fraction form
    1,913.48/2,870.18 = 614.84/x
  3. Step 3: Cross multiply
    1,913.48x = 2,870.18 × 614.84
  4. Step 4: Simplify right side
    1,913.48x = 1,764,701.47
  5. Step 5: Solve for x
    x = 1,764,701.47/1,913.48
  6. Step 6: Final answer
    x = 922.25

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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.