Home / 1,545.08-2,316-1,133.60

Finding the Fourth Proportional to 1,545.08, 2,316 and 1,133.60

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Solution

The fourth proportional to 1,545.08, 2,316 and 1,133.60 is: 1,699.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.08 : 2,316 = 1,133.60 : x
  2. Step 2: Convert to fraction form
    1,545.08/2,316 = 1,133.60/x
  3. Step 3: Cross multiply
    1,545.08x = 2,316 × 1,133.60
  4. Step 4: Simplify right side
    1,545.08x = 2,625,417.60
  5. Step 5: Solve for x
    x = 2,625,417.60/1,545.08
  6. Step 6: Final answer
    x = 1,699.21

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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.