Finding the Fourth Proportional to 2,158.68, 3,237.85 and 598.71
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Solution
The fourth proportional to 2,158.68, 3,237.85 and 598.71 is: 898.02
Step by Step Solution
- Step 1: Write the proportion equation
2,158.68 : 3,237.85 = 598.71 : x - Step 2: Convert to fraction form
2,158.68/3,237.85 = 598.71/x - Step 3: Cross multiply
2,158.68x = 3,237.85 × 598.71 - Step 4: Simplify right side
2,158.68x = 1,938,541.15 - Step 5: Solve for x
x = 1,938,541.15/2,158.68 - Step 6: Final answer
x = 898.02
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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.