Home / 1,510.18-2,264.78-632.68

Finding the Fourth Proportional to 1,510.18, 2,264.78 and 632.68

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Solution

The fourth proportional to 1,510.18, 2,264.78 and 632.68 is: 948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.18 : 2,264.78 = 632.68 : x
  2. Step 2: Convert to fraction form
    1,510.18/2,264.78 = 632.68/x
  3. Step 3: Cross multiply
    1,510.18x = 2,264.78 × 632.68
  4. Step 4: Simplify right side
    1,510.18x = 1,432,881.01
  5. Step 5: Solve for x
    x = 1,432,881.01/1,510.18
  6. Step 6: Final answer
    x = 948.81

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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.