Home / 1,531.84-2,298.01-607.40

Finding the Fourth Proportional to 1,531.84, 2,298.01 and 607.40

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Solution

The fourth proportional to 1,531.84, 2,298.01 and 607.40 is: 911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.84 : 2,298.01 = 607.40 : x
  2. Step 2: Convert to fraction form
    1,531.84/2,298.01 = 607.40/x
  3. Step 3: Cross multiply
    1,531.84x = 2,298.01 × 607.40
  4. Step 4: Simplify right side
    1,531.84x = 1,395,807.17
  5. Step 5: Solve for x
    x = 1,395,807.17/1,531.84
  6. Step 6: Final answer
    x = 911.20

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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.