Home / 1,088.02-1,631.76-510.76

Finding the Fourth Proportional to 1,088.02, 1,631.76 and 510.76

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Solution

The fourth proportional to 1,088.02, 1,631.76 and 510.76 is: 766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.02 : 1,631.76 = 510.76 : x
  2. Step 2: Convert to fraction form
    1,088.02/1,631.76 = 510.76/x
  3. Step 3: Cross multiply
    1,088.02x = 1,631.76 × 510.76
  4. Step 4: Simplify right side
    1,088.02x = 833,437.74
  5. Step 5: Solve for x
    x = 833,437.74/1,088.02
  6. Step 6: Final answer
    x = 766.01

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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.